Clockwork Hydra

Clockwork Hydra

Artifact Creature - Hydra (CMC 5)
Clockwork Hydra enters the battlefield with four +1/+1 counters on it.
Whenever Clockwork Hydra attacks or blocks, remove a +1/+1 counter from it. If you do, Clockwork Hydra deals 1 damage to any target.
: Put a +1/+1 counter on Clockwork Hydra.