Darkeater Midir

Flying, trample, ward {3}

When Darkeater Midir enters the battlefield, it deals
5 damage to each creature your opponents control and each opponent loses 5 life.

Abyssal Beam - Whenever you cast your first historic spell each turn, Darkeater Midir deals 3 damage to each opponent and each creature they control. You gain life equal to half the total damage dealt this way, rounded up.