Umaro, Raging Yeti (Final Fantasy Commander)

Legendary Creature Ñ Yeti Berserker - Trample
At the beginning of combat on your turn, choose one at random Ñ
¥ Other creatures you control get +3/+0 and gain trample until end of turn.
¥ Discard your hand, then draw four cards.
¥ Umaro deals 5 damage to any target.