Demon Overpowering

This card enters with X power counters on it.
At the beginning of combat, you may remove X power counters on it. If you do, deal X damage to each creature and player.
Whenever you take damage, Demon Overpowering becomes a 4/4 black and red
Demon with Flying, Trample and Haste until end of combat.
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"When hell comes to you, you will know Demons are nearby." - Birbitoaster Saying