Phyrexia, Mirrodin Compleat

—During your upkeep, roll a d20 :
1 : Put three +1/+1 counters on target creature.
It becomes a colorless Phyrexian.
2 - 5: Play a random card from the generator pile without paying for its mana cost.
6 - 9: You gain 2 life. Each opponent looses 1 life.
10 - 15: You loose 1 life. Each opponent gains 2 life.
16 - 19: Play a random card from the disposal pile without paying for its mana cost.
20 : Target creature you control becomes a 0/1 color