Mayael's Aria
bfd6f5dc-2fa6-450a-a1b1-6b6e31773365
$3.44 CND
At the beginning of your upkeep, put a +1/+1 counter on each creature you control if you control a creature with power 5 or greater. Then you gain 10 life if you control a creature with power 10 or greater. Then you win the game if you control a creature with power 20 or greater.