Mystic Box [LCYW-EN076] Common Psychic[+40] While "Umi" is face-up on

While "Umi" is face-up on the field

Neither player can Special Summon this card from the Graveyard

Set: Structure Deck: Zombie Horde Card type: Effect Monster Rarity: Common Attack: 1700 Defense: 800 During your Main Phase: You can send 1 Zombie monster from your Deck to the GY

the original ATK of the equipped monster is doubled

Must first be Special Summoned (from your hand) by Tributing 1 "Alpha The Magnet Warrior"

Mystic Box [LCYW-EN076] Common Psychic[+40] While "Umi" is face-up onSet: Legendary Collection 3: Yugi's World Card type: Normal Spell Rarity: Common Attack: 0 Defense: 0 Target 1 monster your opponent controls and 1 monster you control; destroy the first target, then give control of the second target to your opponent.