Mischief of the Yokai [STBL-EN089] Ultimate Rare RC1 Set: Wizards of the Coast:

Set: Wizards of the Coast: Black Star Promos Type: Fire Rarity: Black Star Promo Retreat cost: Colorless

) During either player's turn

"Fortress Whale's Oath"

The original ATK and DEF of this card become the number of Fusion Material Monsters you used for the Fusion Summon of this card x 800 points

Set: Everfest Edition: 1st Edition Finish: Rainbow Foil Type: Action Subtype: Attack Rarity: Majestic Class: Runeblade Cost: 0 Power: 3 If you have played or created 1 or more auras this turn

Mischief of the Yokai [STBL-EN089] Ultimate Rare RC1 Set: Wizards of the Coast:Set: Starstrike Blast Card type: Normal Trap Rarity: Ultimate Rare Each face up monster on the field loses 2 Levels, until the End Phase. You can remove from play this card from your Graveyard to select 1 face up monster and reduce its Level by 1, until the End Phase. This effect cannot be activated the same turn this card is sent to the Graveyard.