Nakkra, Serpent of Creation

Draw X cards. Put all lands and creatures on the battlefield untapped without paying the mana cost. All creatures have Tribute 2.
{w}{b}{w/b}{w/b}{w/b}{w/b}—Create 4 1/1 White-Black Spirit creature tokens with flying that are tapped and attacking.
{x}{w}{u}{b}{r}{g}{e}{e}{e}{ut}Sacrifice X creatures and deal X damage to (max)3 players.