Castel in this card's name is derived from Charles de Batz-Castelmore d'Artagnan, a captain of the Musketeers of the Guard.
This card's International name contains both the OCG/TCG name of the Skyblaster archetype.
"You can detach 1 Xyz Material from this card, then target 1 face-up monster on the field; change it to face-down Defense Position." effect is an Ignition Effect. (This effect targets 1 face-up monster on the field. Detaching 1 Xyz Material is a cost to activate this effect.): Castel, the Skyblaster Musketeer
"You can detach 2 Xyz Materials from this card, then target 1 other face-up card on the field; shuffle it into the Deck." (This effect targets 1 face-up card on the field. Detaching 2 Xyz Material is a cost to activate this effect.)