You can use graveyard protection cards like Feldon's Cane and Perpetual Timepiece to reshuffle some potentially useful cards
Into: Gisa and Geralf Together Forever For: River Kelpie Sure, Vengeful Dead is in Zombies of Tresserhorn, so we cant double up on the drains from a giant Living Death, but enough Zombies are going to die in this deck as well
Wurms exist in several fantasy franchises, and theyre always a great equalizer
Madness cards also shine here, letting you cast discarded spells immediately
In the wrong deck, Radstorm is simply an overpriced Proliferate effect
Extort can do a lot of work in lower power level Commander groups, but Id avoid playing extort cards on power level alone against mid or high-level EDH decks