gistfile1.rb

class NewCard
  attr_reader :cardname

  def initialize(name, life, damage)
    @cardname = name
    @life = life
    @damage = damage
  end

  def card
    cardname = @cardname #<= This value
    life = @life
    damage = @damage

    self
  end
end

attack_card_a = NewCard.new("attack card", 3, 2)
attack_card_b = NewCard.new("atack card of justice", 5, 1)

puts attack_card_a.card.cardname #Is it possible to call the varible cardname and puts it from here?