Torracat (SIT)'s Gritty Claws attack is bugged. This is the full log of a game captured from PTCGL, you can see the effect from line 267 onwards. I was definitely on the backfoot in this game, but I was still just managing to hold on, so the fact that I lost due to a bug is a serious issue.

log.txt

Setup
GBD999 chose heads for the opening coin flip.
GBD999 won the coin toss.
Ratstail91 decided to go second.
GBD999 drew 7 cards for the opening hand.
- 7 drawn cards.
Ratstail91 drew 7 cards for the opening hand.
- 7 drawn cards.
   • Paldean Student, Paldean Student, Damage Pump, Litten, Boss's Orders, Arven, Paldean Student
GBD999 played Bidoof to the Active Spot.
GBD999 played Charmander to the Bench.
Ratstail91 played Litten to the Active Spot.

Turn # 1 - GBD999's Turn
GBD999 drew a card.
GBD999 ended their turn.

Turn # 1 - Ratstail91's Turn
Ratstail91 drew Basic Fire Energy.
Ratstail91 played Paldean Student.
- Ratstail91 drew Bidoof.
- Ratstail91 shuffled their deck.
Ratstail91 played Bidoof to the Bench.
Ratstail91 attached Basic Fire Energy to Litten in the Active Spot.
Ratstail91's Litten used Gnaw on GBD999’s Bidoof for 10 damage.

Turn # 2 - GBD999's Turn
GBD999 drew a card.
GBD999 played Arven.
- GBD999 drew Rare Candy.
- GBD999 shuffled their deck.
GBD999 played Rare Candy.
- GBD999 evolved Charmander to Charizard ex on the Bench.
GBD999's Charizard ex used Infernal Reign.
- GBD999 attached Basic Fire Energy to Charizard ex on the Bench.
- GBD999 attached Basic Fire Energy to Charizard ex on the Bench.
GBD999 attached Basic Fire Energy to Bidoof in the Active Spot.
GBD999 retreated Bidoof to the Bench.
- Basic Fire Energy was discarded from GBD999's Bidoof.
GBD999's Charizard ex is now in the Active Spot.
GBD999 evolved Bidoof to Bibarel on the Bench.
GBD999's Bibarel used Industrious Incisors.
- GBD999 drew 2 cards.
GBD999's Charizard ex used Burning Darkness on Ratstail91’s Litten for 180 damage.
Ratstail91's Litten was Knocked Out!
Basic Fire Energy was discarded from Ratstail91's Litten.
Ratstail91's Bidoof is now in the Active Spot.
GBD999 took a Prize card.
A card was added to GBD999's hand.

Turn # 2 - Ratstail91's Turn
Ratstail91 drew Incineroar.
Ratstail91 played Paldean Student.
- Ratstail91 drew 2 cards.
   • Bibarel, Litten
- Ratstail91 shuffled their deck.
Ratstail91 evolved Bidoof to Bibarel in the Active Spot.
Ratstail91 played Litten to the Bench.
Ratstail91 ended their turn.

Turn # 3 - GBD999's Turn
GBD999 drew a card.
GBD999 played Collapsed Stadium to the Stadium spot.
GBD999's Charizard ex used Burning Darkness on Ratstail91’s Bibarel for 180 damage.
Ratstail91's Bibarel was Knocked Out!
Bidoof was discarded from Ratstail91's Bibarel.
Ratstail91's Litten is now in the Active Spot.
GBD999 took a Prize card.
A card was added to GBD999's hand.

Turn # 3 - Ratstail91's Turn
Ratstail91 drew Basic Fire Energy.
Ratstail91 played Paldean Student.
- Ratstail91 drew 3 cards.
   • Bidoof, Torracat, Litten
- Ratstail91 shuffled their deck.
Ratstail91 evolved Litten to Torracat in the Active Spot.
Ratstail91 played Litten to the Bench.
Ratstail91 played Bidoof to the Bench.
Ratstail91 attached Basic Fire Energy to Litten on the Bench.
Ratstail91 ended their turn.

Turn # 4 - GBD999's Turn
GBD999 drew a card.
GBD999 played Super Rod.
- GBD999 shuffled Basic Fire Energy into their deck.
GBD999's Charizard ex used Burning Darkness on Ratstail91’s Torracat for 180 damage.
Ratstail91's Torracat was Knocked Out!
Litten was discarded from Ratstail91's Torracat.
Ratstail91's Litten is now in the Active Spot.
GBD999 took a Prize card.
A card was added to GBD999's hand.

Turn # 4 - Ratstail91's Turn
Ratstail91 drew Roseanne's Backup.
Ratstail91 played Arven.
- Ratstail91 drew 2 cards.
   • Ultra Ball, Hero's Cape
- Ratstail91 shuffled their deck.
Ratstail91 attached Hero's Cape to Bidoof on the Bench.
Ratstail91 played Ultra Ball.
- Ratstail91 discarded 2 cards.
   • Incineroar, Boss's Orders
- Ratstail91 drew Bibarel.
- Ratstail91 shuffled their deck.
Ratstail91 evolved Bidoof to Bibarel on the Bench.
Ratstail91's Bibarel used Industrious Incisors.
- Ratstail91 drew 3 cards.
   • Ultra Ball, Basic Fire Energy, Litten
Ratstail91 played Litten to the Bench.
Ratstail91 played Ultra Ball.
- Ratstail91 discarded 2 cards.
   • Roseanne's Backup, Damage Pump
- Ratstail91 drew Torracat.
- Ratstail91 shuffled their deck.
Ratstail91 evolved Litten to Torracat in the Active Spot.
Ratstail91 attached Basic Fire Energy to Torracat in the Active Spot.
Ratstail91's Torracat used Gritty Claws on GBD999’s Charizard ex for 40 damage.

Turn # 5 - GBD999's Turn
GBD999 drew a card.
GBD999 played Charmander to the Bench.
GBD999 played Charmander to the Bench.
GBD999 played Boss's Orders.
- Ratstail91's Litten was switched with Ratstail91's Torracat to become the Active Pokémon.
Ratstail91's Litten is now in the Active Spot.
GBD999's Charizard ex used Burning Darkness on Ratstail91’s Litten for 180 damage.
Ratstail91's Litten was Knocked Out!
Ratstail91's Torracat is now in the Active Spot.
GBD999 took a Prize card.
A card was added to GBD999's hand.

Turn # 5 - Ratstail91's Turn
Ratstail91 drew Radiant Tsareena.
Ratstail91 played Radiant Tsareena to the Bench.
Ratstail91's Bibarel used Industrious Incisors.
- Ratstail91 drew 5 cards.
   • Switch, Ultra Ball, Damage Pump, Super Rod, Buddy-Buddy Poffin
Ratstail91 played Super Rod.
- Ratstail91 shuffled 2 cards into their deck.
   • Litten, Torracat
- Ratstail91 moved Ratstail91's Litten to their deck.
Ratstail91 played Buddy-Buddy Poffin.
- Ratstail91 drew Litten and played it to the Bench.
- Ratstail91 drew Litten and played it to the Bench.
- Ratstail91 shuffled their deck.
Ratstail91's Torracat used Gritty Claws on GBD999’s Charizard ex for 40 damage.

Turn # 6 - GBD999's Turn
GBD999 drew a card.
GBD999 attached Defiance Band to Charizard ex in the Active Spot.
GBD999 played Rare Candy.
- GBD999 evolved Charmander to Charizard ex on the Bench.
GBD999's Charizard ex used Infernal Reign.
- GBD999 attached Basic Fire Energy to Charizard ex on the Bench.
- GBD999 attached Basic Fire Energy to Charizard ex on the Bench.
GBD999's Charizard ex used Burning Darkness on Ratstail91’s Torracat for 70 damage.

Turn # 6 - Ratstail91's Turn
Ratstail91 drew Switch.
Ratstail91 played Damage Pump.
- Ratstail91 moved 2 damage counters from Ratstail91's Torracat to Ratstail91's Radiant Tsareena.
Ratstail91 played Ultra Ball.
- Ratstail91 discarded 2 cards.
   • Switch, Switch
- Ratstail91 drew Torracat.
- Ratstail91 shuffled their deck.
Ratstail91 evolved Litten to Torracat on the Bench.
Ratstail91's Bibarel used Industrious Incisors.
- Ratstail91 drew 5 cards.
   • Paldean Student, Pal Pad, Buddy-Buddy Poffin, Incineroar, Pokégear 3.0
Ratstail91 played Pal Pad.
- Ratstail91 shuffled 2 cards into their deck.
   • Boss's Orders, Arven
Ratstail91 played Pokégear 3.0.
- Ratstail91 drew Boss's Orders.
- Ratstail91 shuffled their deck.
Ratstail91 played Boss's Orders.
- GBD999's Charmander was switched with GBD999's Charizard ex to become the Active Pokémon.
GBD999's Charmander is now in the Active Spot.
Ratstail91 evolved Torracat to Incineroar in the Active Spot.
Ratstail91's Radiant Tsareena used Elegant Heal.
- Ratstail91's Incineroar healed 20 damage.
- Ratstail91's Radiant Tsareena healed 20 damage.
Ratstail91's Incineroar used Secret Attack on GBD999’s Charmander for 70 damage.
- Ratstail91 chose Combustion.
GBD999's Charmander was Knocked Out!
GBD999's Charizard ex is now in the Active Spot.
Ratstail91 took a Prize card.
Emergency Jelly was added to Ratstail91's hand.

Turn # 7 - GBD999's Turn
GBD999 drew a card.
GBD999's Charizard ex used Burning Darkness on Ratstail91’s Incineroar for 210 damage.
Ratstail91's Incineroar was Knocked Out!
- 4 cards were discarded from Ratstail91's Incineroar.
   • Basic Fire Energy, Basic Fire Energy, Torracat, Litten
Ratstail91's Torracat is now in the Active Spot.
GBD999 took a Prize card.
A card was added to GBD999's hand.

Turn # 7 - Ratstail91's Turn
Ratstail91 drew Roxanne.
Ratstail91 attached Emergency Jelly to Radiant Tsareena on the Bench.
Ratstail91 played Roxanne.
- Ratstail91 shuffled 2 cards into their deck.
   • Paldean Student, Buddy-Buddy Poffin
- GBD999 moved GBD999's 6 cards to their deck.
- GBD999 moved GBD999's a card to their deck.
- Ratstail91 drew 6 cards.
   • Paldean Student, Ultra Ball, Magma Basin, Miriam, Roxanne, Magma Basin
- GBD999 drew 2 cards.
Ratstail91 played Magma Basin to the Stadium spot.
- GBD999 discarded Collapsed Stadium.
Ratstail91 played Ultra Ball.
- Ratstail91 discarded 2 cards.
   • Paldean Student, Magma Basin
- Ratstail91 drew Jirachi.
- Ratstail91 shuffled their deck.
Ratstail91 played Jirachi to the Bench.
Ratstail91's Bibarel used Industrious Incisors.
- Ratstail91 drew 3 cards.
   • Buddy-Buddy Poffin, Energy Search, Energy Switch
Ratstail91 played Magma Basin.
- Ratstail91 attached Basic Fire Energy to Litten on the Bench.
- Ratstail91 put 2 damage counters on Ratstail91's Litten.
Ratstail91 played Energy Search.
- Ratstail91 drew Basic Fire Energy.
- Ratstail91 shuffled their deck.
Ratstail91 attached Basic Fire Energy to Torracat in the Active Spot.
Ratstail91 played Energy Switch.
- Ratstail91 attached Basic Fire Energy to Torracat in the Active Spot.
Ratstail91's Radiant Tsareena used Elegant Heal.
- Ratstail91's Litten healed 20 damage.
Ratstail91's Torracat used Gritty Claws on GBD999’s Charizard ex for 40 damage.

Turn # 8 - GBD999's Turn
GBD999 drew a card.
GBD999 played Pidgey to the Bench.
GBD999's Charizard ex used Burning Darkness on Ratstail91’s Torracat for 70 damage.

Turn # 8 - Ratstail91's Turn
Ratstail91 drew Emergency Jelly.
Ratstail91 played Miriam.
- Ratstail91 shuffled 2 cards into their deck.
   • Litten, Torracat
- Ratstail91 moved Ratstail91's 3 cards to their deck.
   • Incineroar, Litten, Incineroar
- Ratstail91 drew 3 cards.
   • Pal Pad, Boss's Orders, Arven
Ratstail91 attached Emergency Jelly to Torracat in the Active Spot.
Ratstail91 played Magma Basin.
- Ratstail91 attached Basic Fire Energy to Litten on the Bench.
- Ratstail91 put 2 damage counters on Ratstail91's Litten.
Ratstail91 played Pal Pad.
- Ratstail91 shuffled 2 cards into their deck.
   • Miriam, Paldean Student
Ratstail91 played Buddy-Buddy Poffin.
- Ratstail91 drew Litten and played it to the Bench.
- Ratstail91 shuffled their deck.
Ratstail91's Bibarel used Industrious Incisors.
- Ratstail91 drew 2 cards.
   • Incineroar, Energy Search
Ratstail91's Radiant Tsareena used Elegant Heal.
- Ratstail91's Torracat healed 20 damage.
- Ratstail91's Litten healed 20 damage.
Ratstail91's Torracat used Gritty Claws on GBD999’s Charizard ex for 40 damage.
Emergency Jelly was activated.
- Ratstail91's Torracat healed 120 damage.
- Emergency Jelly was discarded from Ratstail91's Torracat.

Turn # 9 - GBD999's Turn
GBD999 drew a card.
GBD999 played Mimikyu to the Bench.
GBD999's Bibarel used Industrious Incisors.
- GBD999 drew 3 cards.
GBD999 played Arven.
- GBD999 drew Super Rod.
- GBD999 shuffled their deck.
GBD999 played Super Rod.
- GBD999 shuffled Charmander into their deck.
GBD999's Charizard ex used Burning Darkness on Ratstail91’s Torracat for 210 damage.
Ratstail91's Torracat was Knocked Out!
- 3 cards were discarded from Ratstail91's Torracat.
   • Basic Fire Energy, Basic Fire Energy, Litten
GBD999 took a Prize card.
A card was added to GBD999's hand.
Opponent took all of their Prize cards. GBD999 wins.