mtg proxy cards Custom - Chains of Mephistopheles exile target instant or sorcery card with mana value less than or equal to Arcane Proxys power from your graveyard Metalworker | Magic The Gathering

Spoiler: Among others, its a whos who of Tezzeret cards

Like the other commanders from 2017s Commander release, Edgar comes with an incredibly powerful eminence ability, one that helps establish an incredibly powerful board state very quickly

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There are also a few from Final Fantasy (and maybe Assassins Creed) that could work in the right build

Older cantrips that wait until the next upkeep to draw a card work well here, since you can fire them off on an opponent's turn, then trigger your draw-2 effect on your turn with all your mana still open