Underground Mortuary (Borderless) [Murders at Karlov Manor] Number_ST02-013 X is equal to the

X is equal to the number of cards put into your memory by this effect

Set: The Lost Art Promotion Card type: Effect Monster Rarity: Ultra Rare Attack: 2000 Defense: 1700 Gains 300 ATK for every "Dark Magician" or "Magician of Black Chaos" in the GY

“Serra built angels from the spirits of fallen warriors

Tap an untapped Rebel you control: Return Otharri from your graveyard to the battlefield tapped

Underground Mortuary (Borderless) [Murders at Karlov Manor] Number_ST02-013 X is equal to theSet: Murders at Karlov Manor Type: Land Swamp Forest Rarity: Rare Underground Mortuary enters the battlefield tapped. When Underground Mortuary enters the battlefield, surveil 1.