Warchief Giant is a uncommon Creature — Giant Warrior card from Commander 2015 (C15), collector number 31. Current market price: $0.94, TCGplayer market prices via Scryfall.
Haste Myriad (Whenever this creature attacks, for each opponent other than defending player, you may create a token copy that's tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.)