Eagan, Chaos Bringer

Whenever you cast a multicolored instant or sorcery deal {x} to any target where {x} is the number of colors in that instant or sorcery.

{w}{w}{u}{u}{b}{b}{r}{r}{g}{g}{t} choose a white, blue, black, red, and green instant or sorcery from any graveyard, you may cast those spell without paying their mana cost this turn, if cast this way exile them.

"How did that do so much damage?" -Eagan