Yu-Gi-Oh! - Number 27: Dreadnought Dreadnoid - BLRR-EN030 - Secret Rare - 1st Edition - Battles of Legend: Relentless Revenge;

Water. Machine/Xyz/Effect. 2+ Level 4 monstersIf this card destroyed an opponents monster by battle, at the end of the Battle Phase: You can Special Summon from your Extra Deck, 1 Rank 10 or higher Machine Xyz Monster by using this card as material. (This is treated as an Xyz Summon. Transfer this card's materials to the Summoned monster.) You can only use this effect of "Number 27: Dreadnought Dreadnoid" once per turn.