Clockwork Beast enters the battlefield with 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. This ability can t cause the total number of +1 +0 counters on Clockwork Beast to be greater than seven. Activate only during your upkeep.