Number 27: Dreadnought Dreadnoid

Level 4 WATER/Machine Xyz Effect
2200 ATK / 1000 DEF

2+ Level 4 monsters
At the end of the Battle Phase, if this card destroyed an opponent's monster by battle: You can Special Summon from your Extra Deck, 1 Rank 10 or higher Machine Xyz Monster by using this face-up card you control as material. (This is treated as an Xyz Summon. Transfer its materials to the Summoned monster.) You can only use this effect of "Number 27: Dreadnought Dreadnoid" once per turn. If this face-up card on the field would be destroyed by battle or card effect, you can detach 1 material from this card instead.

Rulings – Yugipedia

Printings:

Battles of Legend: Relentless Revenge: BLRR-EN030 (Secret Rare) - 2018-06-28
Duel Overload: DUOV-EN083 (Ultra Rare) - 2020-03-19
Battles of Legend: Chapter 1: BLC1-EN109 (Common) - 2024-02-22

Prices:

Cardmarket: 0.15 €
TCGplayer: $ 0.25