Loud Hero, Present Mic

Present Mic enters the battlefield with X {e} counters.
When an opponents creature enters the battlefield, if that creature has power less than Present Mic, put one {e} counter on.
Pay {e}{e}{e}{e}{e}: Return all enemy creatures with power 3 or less to their owners hands.
Pay {e}{e}{e}{e}{e}: Tap all enemy creatures with power 4 or greater.