Apotheosis of Phyrexia

At the beginning of your upkeep, put a
+1/+1 counter on Apotheosis of Phyrexia.
Whenever you lose life, remove that many
+1/+1 counters on Apotheosis of Phyrexia.
Pay 2 life: Apotheosis of Phyrexia gains hexproof
and indestructible until end of turn.
{t}: If Apotheosis of Phyrexia's power is greater
than or equal to 20, you win the game.