Epic (For the rest of the game, you can't cast spells
It puts stats and bodies on board for very little cost and there are no finality counters involved, so you can even loop the same creatures again and again
From these you can pick and chose as you like to make up the numbers but in reality there are only about ten Izzet cards that have seen cube play two or more times and of those only five that are into the double figures
Covert Technician and Moonfolk Puzzlemaker are available blockers against aggro decks leaning on 2/2s, 3/1s, and 3/2s
Karn, the Great Creator Loved and hated, Karn, the Great Creator does so much for 4 colorless mana
She gains counters when they are cast, and the more counters she has, the cheaper your X-spells get