Hidra kaloniana (Kalonian Hydra) (es)
Creature - Hydra
(CMC 5)
Trample
Kalonian Hydra enters with four +1/+1 counters on it.
Whenever Kalonian Hydra attacks, double the number of +1/+1 counters on each creature you control.
- [MOC] March of the Machine Commander #305 (M)