Super Quantal Mech King Great Magnus [WIRA-EN037] Secret Rare Scourge But where is the source

But where is the source

Set: Kamigawa: Neon Dynasty Promos Type: Legendary Creature — Phyrexian Praetor Rarity: Mythic Cost: {5}{U}{U} Whenever you cast an artifact

then sacrifice Cyclone unless you pay {G} for each wind counter on it

indestructible If Blightsteel Colossus would be put into a graveyard from anywhere

Super Quantal Mech King Great Magnus [WIRA-EN037] Secret Rare Scourge But where is the sourceSet: Wing Raiders Card type: Xyz Effect Monster Rarity: Secret Rare Attack: 3600 Defense: 3200 3 Level 12 monsters If this card is sent to the Graveyard: You can Special Summon 3 "Super Quantal Mech Beast" Xyz Monsters with different names from your Graveyard. This card gains these effects, based on the number of Xyz Materials with different names attached to it. 2 or more: Once per turn, during either player's Main Phase: You can detach 1 Xyz