Serpentine Ambush Sometimes all it takes is a little shape-shifting to flip the game in your favor, and Serpentine Ambush does just that
Beanith: If it wasn't for the fact I'm still waiting for the second wave of 40k Commander decks to hit Australia, I would be all over the Urza's Iron Alliance precon Deck and scoping out which of these stompy robot lads I wanted to add to my deck of terrible ideas (I did terrible terrible things to the Dungeons of Death precon)
and Deadpool, Trading Card
Look for a Pokemon that can annoy your enemy by inflicting status effects
We already play Firebrand Archer in EDH decks that buff damage, and some of those commanders are recent, like Ojer Axonil, Deepest Might / Temple of Power, Ob Nixilis, Captive Kingpin, Urabrask / The Great Work, Taii Wakeen, Perfect Shot, Judith, Carnage Connoisseur, and Imodane, the Pyrohammer