Koma and Sarulf

Corrupted-At the beginning of each players
upkeep if that player has 3 or more poison
counters, create a 3/3 Blue Phyrexian Serpent
with Toxic 1 and choose one-
•Sacrifice another Phyrexian, put a +1/+1
counter on Koma and Sarulf, it gains indestructible until end of turn.
•Remove all counters from Koma and Sarulf, exile
all noncreature permanents with CMC equal to
the number of counters removed this way.