He has, by canon,
-Call Drunken Priest
-Incatation of Conjure Barbs
-Elemental Sun of Nothing
-Dexterity Deflection
-Crafter's Blast of Earth
-Unknowable Hex of Fortification and Viciousness
-Rains of Force
-Unholy Acid Field
non-canonically, he also has
Steal luck (from Vriska), dimension scream (from Buu), Host's cane (from The Host), God Cloth (from Seiya), “healing” shiv (From Sarda)
Though of course those won't show up in the bonus match :P
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MMBN style fighting game made by me in the link below!
http://sandbox.yoyogames.com/games/184947-b8bn