You're a Mean One Mister Grinch (EDH / Commander)

Ideally, you'll be able to get Naturalize, Abrupt Decay, Counterspell and Dramatic Reversal under isochron - meaning you'll always have an answer. This is done with Panharmonicon and 3 more panharmonicons made by saheeli's artistry with two token doublers out. Or casting it twice. Elspeth, Knight Errant is there to be proliferated into an emblem, as is Jace, unraveler of secrets. Sorin, Lord of Innistrad is overall goodstuff, Kiora, Master of the Depths (with Gilderbairn and either Earthcraft or Experiment Kraj, and infinite mana courtesy of Crystalline Crawler, Deepglow Skate and Deadeye Navigator) results in infinite squirrel fightclub, which, with true conviction, results in infinite lifegain. It can also be used for removal. That combo may sound unlikely, but I managed to pull it off. Archmage Ascendancy gives us free tutor and immunity to decking out, once we get enough counters on it, and fathom mage lets us draw to high heaven. Ezuri is around because hey why not, and the same used to go for Ghave - he's getting his own deck now. True Conviction is in over Ainok Bond-Kin and Abzan Battle Priest because it beats out Archetype of Courage and only takes one card. Mnemonic Nexus, Learn From The Past and Seasons Past are all in to get those darn kids out of our graveyard and back into our deck, where we can use them again.