A black equipment for three mana with an equip cost of three, whenever the equipped creature attacks or blocks, it and Zombies its owner controls gain deathtouch until end of turn
Interestingly, depending on the angle you take with your cEDH deck, this could mean that an Optimized Commander deck could give you a tough time
Unless you play on a digital platform like Arena, you will probably never see cards being moved into or out of this zone its one of the parts of the game paper players (wisely) skip over unless something makes it specifically relevant like a blue card that says return target spell to its owners hand
However, you would call Mischievous Mystic a build-around card
Fumiko will take some effort to get mileage from, but the payoff is worth it
Payment : If we control a permanent with Extort, we may pay one White (W) or Black (B) mana whenever the ability triggers