all mtg leyline cards of Mutation (188) : Toys & Games Cracks in the facade of the House lead not to escape but to oblivion. MtG Core Set 2020 Rare

If you attack with Tenth District Mentor with a Rite out, you can tap it to cast a combat trick or sneaky bit of removal, without having to leave back any attackers

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Adding white gives you access to absolute zombie bangers Corpse Knight and Wayward Servant, and the card filterings perfect for burying a ton of zombies in the graveyard for a mass reanimation effect

Urzas Saga feels like it should be limited to artifact-only decks, but this build showcases the versatility of Urzas Saga, and how it can provide value and pressure in a midrange shell