Karn, the Great Creator (Stained Glass) [Secret Lair Drop Promos] Maze of Millennia you can discard 1 card

you can discard 1 card to Special Summon this card from your hand or Graveyard

※ The contents of each deck (excluding parallel cards) are exactly the same

which is available separately

Negate the activation of an Effect Monster's effect

" —Jeska

Karn, the Great Creator (Stained Glass) [Secret Lair Drop Promos] Maze of Millennia you can discard 1 cardSet: Secret Lair Drop Promos Type: Legendary Planeswalker Karn Rarity: Rare Cost: {4} Activated abilities of artifacts your opponents control can't be activated. +1: Until your next turn, up to one target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value. 2: You may reveal an artifact card you own from outside the game or choose a face up artifact card you own in exile. Put that card into your hand.