Union Activation - MZTM-EN023 - Ultra Rare - 1st Edition Tweet Out of stock. Wishlist Details Set: Maze of the Master Card Number: MZTM-EN023 Rarity: Ultra Rare Attribute: SPELL Card Text: Send 1 LIGHT Machine Normal or Union monster from your hand or Deck to the GY and add 1 LIGHT Machine monster with the same ATK but a different original name from your Deck to your hand. If you Special Summon 3 LIGHT Machine monsters at the same time, while this card is in your GY: You can banish this card; add 1 monster with 3000 or more ATK from your Deck to your hand, then immediately after this effect resolves, Normal Summon that monster. You can only use each effect of "Union Activation" once per turn. Card Type: Spell Name: Union Activation Edition: 1st
