Liara of the Flaming Fist

Legendary Creature — Human Soldier2/2

At the beginning of each combat, each creature you control gets +1/+1 until end of turn if it has the same name as another creature you control or a creature card in your graveyard. {1}{R}{W}: Another target nontoken creature you control gains first strike and double team until end of turn. Activate only as a sorcery and only once.

Not legal in Commander

View Liara of the Flaming Fist on Scryfall