Song of Perish

({p/w},{p/b},{p/u},{p/r} and {p/g} can each be paid with either {w},{b},{u},{r},{g} or 2 life.)
As an additional cost to cast this spell, choose all
or pay 4 life for each mode you didn't choose—
•Sacrifice four or more nonland permanents.
•Tap three multicolored creatures you control.
•Discard two nonland cards of the same name.
{bull}Exile 13 or more cards from your graveyard.
This spell can't be countered. You win the game.