Uumuu, Monomons Defender

Flying, Defender. At the beginning of your end step, Uumuu gains Indestructible until your next up keep.

At the beginning of each opponent’s combat, if any creatures are declared attacking you, create two 0/1 Jellyfish creature tokens with flying, “When this dies, it deals 2 damage to target creature,” “This can’t block a creature that’s already blocked,” and “Exile this at end of combat.”
Then Uumuu deals X damage to that player, where X is the number of attacking creatures without