Kalonian Hydra
Creature - Hydra (CMC 5)
Trample
Kalonian Hydra enters the battlefield with four +1/+1 counters on it.
Whenever Kalonian Hydra attacks, double the number of +1/+1 counters on each creature you control.
Decks with Kalonian Hydra
[MOC] March of the Machine Commander #305 (M)
[P30A] 30th Anniversary Promos #21 (M)
[PLIST] The List #180 (M)
[CM2] Commander Anthology Volume II #140 (M)
[C16] Commander 2016 #154 (M)
[M14] Magic 2014 #181 (M)