Clockwork Beast enters the battlefield with seven +1/+0 counters on it.

Clockwork Beast can't have more than seven +1/+0 counters on it.

At end of combat, if Clockwork Beast attacked or blocked this combat, remove a +1/+0 counter from it.

X, T: Put up to X +1/+0 counters on Clockwork Beast. Play this ability only during your upkeep.