MtG number of copies needed of each card for a Draft Simulator

gistfile1.js

var numberOfDifferentCards = 109;
var amountOfEach = 10;
var numberInBooster = 10;
var numberOfBoosters = 3;
var numberOfPlayers = 8;

var numberOfTests = 300;

var results = [];
console.clear();

function test() {
	
	var pool = [];
	for (var i = 0; i < numberOfDifferentCards; i++) {
		pool[i] = amountOfEach;
	}
   
	var misses = 0;
    
	for (var i = 0; i < numberOfBoosters*numberInBooster*numberOfPlayers; i++) {
		
		var pick;
		var miss = false;
		do {
			pick = Math.floor(Math.random() * numberOfDifferentCards);
			if (miss) misses++;
			miss = true;
		} while (pool[pick] === 0)
		pool[pick]--;
	}
	results.push(misses);
}

for (var j = 0; j < numberOfTests; j++) {
	test();
}

var sum = 0;
for (var d = 0; d < results.length; d++) {
	sum += results[d];
}
var avg = sum / results.length;


console.log("Avg: ", avg, " Results: ",results);

//Findings:
//Number of commons for a large set: 7 (6-nál átlag 1 reroll volt)
//Number of commons for a small set: 9 (8-nál átlag 1 reroll volt)
//Number of uncommons for a large set: 4 (3-nál átlag 1 reroll volt)
//Number of uncommons for a small set: 5 (4-nél átlag 1 reroll volt)
//Number of rares for a large set: 2
//Number of rares for a large set: 3 (2-nél átlag 1 reroll volt)