There really just are not that many Izzet cards that deserve to be in a cube
I didn't have the time to knock out reviewing all of new cards for my list
You could, in theory, end up using him as a game-ending play if it takes enough damage from other players, or you could use him in a deck thatll have your own creatures damage him to make him a juggernaut
[22-048H] Nanaa Mihgo The Summon that has been chosen is cast immediately after the auto-ability is resolved
Gaea's Blessing (T1, Ext, S, Block) Technically a cantrip, Gaea's Blessing puts your best cards back into your deck (or your opponent's cards into his deck), plus gives you a chance to draw them back
The longer a game goes on, the more Phyrexian Arena puts you in the lead over your opponents, as youll have access to more options and more resources