Overlord of the Deep Seas

Impending 3 — {2}{u}{u} (If you cast this spell for its impending cost, it enters with three time counters
and isn't a creature until the last is removed. At the beginning of your end step, remove a time counter from it.)

Whenever Overlord of the Deep Seas enters or attacks, tap up to three target nonland permanents and put a stun counter on them.