Apocalypse Hydra enters the battlefield with X +1/+1 counters on it. If X is 5 or more, it enters the battlefield with an additional X +1/+1 counters on it.
1R, Remove a +1/+1 counter from Apocalypse Hydra: Apocalypse Hydra deals 1 damage to target creature or player.
illus. Jason Chan # 217/254