mtg cards that reset the game Urza, Prince of Kroog | Return target creature card from your graveyard to the battlefield. Reset - Legends - Magic:

(And even if it doesnt include Lost Emrakul the Great Destroyer of All, you could have colorless mana as the color of Spirits or something.) Its a lot of changes to some of the core mechanics of Magic to just do the one time

It resolves even if the spell is countered

Illustrated by Terese Nielsen Standard Not Legal Alchemy Not Legal Pioneer Not Legal Historic Not Legal Modern Legal Brawl Not Legal Legacy Legal Comp

This knights triple keywords let it carry the auras and equipment it cares about well and offers a solid source of card advantage for Voltron-style strategies

They are perhaps the most important tool for being reliably unfair, but there are several tutor variants in the Cube with various restrictions and drawbacks