: Creatures have haste and "{T}: This creature fights a creature you don't control. Activate only as a sorcery." Creatures cannot attack players that control at least one creature.

+1: Until your next upkeep, each player may cast one creature spell with mana value 4 or less without paying its mana costs.

+1: Until your next upkeep, each player may cast one creature spell with mana value 5 or 6 by sacrificing a creature instead of paying it's mana cost.

+1: Until your next upkeep, each player may cast one creature spell with mana value of 7 or more by sacrificing two creatures instead of paying its mana costs.