Pretty much anything mana-intensive but not color intensive. Spawnsire and the titans are a good call, as are fireball/stream of life variants if you want to splash colors. Memnarch also can make use of a bunch of excess mana if you can make enough U (or run Mycosynth Lattice).
Private Mod Note
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"I don't know why people say a double-edged sword is bad. It's a sword. With two edges."
-Kamahl, pit fighter
total of 92 mana.....
please and thank you!!!!!:D
Or maybe even prophetic prism + Fireball.
Thanks to Darth Monkey and SGT_Chubbz at Damnation Studios for the sig and banner.
otherwise, fireball
and this could use to fuel some theme decks that have ridiculous mana cost for creatures (dragons, angels, demons)