Kayle, The Righteous

At the end of your turn you gain one Experience counter:
At five Counters Kayle, The Righteous gains Vigilance at, 10 counters Kayle, the righteous
gains First strike and +3/+3, at 15 counters
Kayle, The Righteous gains Doublestrike and
+5/+5, at 25 counters, you win the game
{w}{w}{w}{w}{t} Creatures you control have indestructible until end of turn. Remove one Experience counter