Kaito, Bane of Nightmares [Duskmourn: House of Horror] Belle and 1 reference card

and 1 reference card

and you may spend mana as though it were mana of any color to cast spells this way

Set: Duskmourn: House of Horror Type: Legendary Creature — Human Wizard Rarity: Mythic Cost: {2}{W}{U} When Niko

Set: Mystery Booster 2 Type: Instant Rarity: Rare Cost: {U} Counter target activated or triggered ability

Kaito, Bane of Nightmares [Duskmourn: House of Horror] Belle and 1 reference cardSet: Duskmourn: House of Horror Type: Legendary Planeswalker Kaito Rarity: Mythic Cost: {2}{U}{B} Ninjutsu {1}{U}{B} ({1}{U}{B}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.) During your turn, as long as Kaito has one or more loyalty counters on him, he's a 3 4 Ninja creature and has hexproof. +1: You get an emblem with "Ninjas you control get +1 +1." 0: Surveil 2. Then draw