Spark Double [War of the Spark Prerelease Promos] XY135 or 1 card that specifically

or 1 card that specifically lists "Dark Fusion" in its text

"King's Knight"

UFOroid + 1 Warrior-Type monster A Fusion Summon of this card can only be conducted with the above Fusion Material Monsters

You can banish this face-up card you control

Set: Aether Revolt Type: Legendary Artifact Rarity: Mythic Cost: {5} Whenever you cast a spell

Spark Double [War of the Spark Prerelease Promos] XY135 or 1 card that specificallySet: War of the Spark Prerelease Promos Type: Creature Illusion Rarity: Rare Cost: {3}{U} You may have Spark Double enter the battlefield as a copy of a creature or planeswalker you control, except it enters with an additional +1 +1 counter on it if it's a creature, it enters with an additional loyalty counter on it if it's a planeswalker, and it isn't legendary if that permanent is legendary.