Every card on it was released between the game's first release, Alpha, and its 17th expansion, Urza's Destiny
Doing a full custom Elden Ring project at scale (and you have files): MPC is viable, but you are the quality control department
The first step is to separate out the bulk
Component two: Abusing Deathtouch Since all of your creatures are going to be able to kill anything they do damage, youre also going to want to include a few cards in the deck that let you take advantage of this fact
Aurora Dreaming Guardian works great, as we already have good Shift targets
Personally, Im a big fan of From the Vault: Dryad Arbor, but these are pretty cool too Shaheen Soorani: Fact