Big Chandra (the one that makes emblems on her +)
Inferno Titan
Form of the Dragon
Big Niv-Mizzy
Any good Bolas
Wildfire
Captive Audience
That Izzet burn spell that burns X and you draw X
Kaldra Compleat maybe
Big Karns
Eldrazi Titans
and dont forget irencrag feat so you can go even further beyond