Phyrexian Hydra
{3}{G}{G}
Creature -- Phyrexian Hydra
7/7
Infect (~this~ deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
If damage would be dealt to ~this~, prevent that damage. Put a -1/-1 counter on ~this~ for each 1 damage prevented this way.