Blast Sphere

Level 4 DARK/Machine Effect Monster
1400 ATK / 1400 DEF

If this face-down Defense Position card was attacked by an opponent's monster, before damage calculation: Equip this card to the attacking monster. Then, during your opponent's next Standby Phase: Destroy the monster this card is equipped to, and if you do, inflict damage to your opponent equal to the ATK the destroyed monster had on the field.

Rulings – Yugipedia

Printings:

Limited Edition 1: JUMP-EN019 (Ultra Rare) - 2008-01-16
Retro Pack: RP01-EN091 (Secret Rare) - 2008-07-08
Dark Legends: DLG1-EN092 (Ultra Rare) - 2008-11-21
Machina Mayhem Structure Deck: SDMM-EN011 (Common) - 2010-02-19
Battle Pack: Epic Dawn: BP01-EN175 (Common) - 2012-05-24
Battle Pack: Epic Dawn: BP01-EN175 (Starfoil Rare) - 2012-05-24
Legendary Collection 4: Joey's World Mega Pack: LCJW-EN180 (Common) - 2013-10-11
Duelist Pack: Battle City: DPBC-EN042 (Common) - 2015-06-19
Legendary Duelists: Ancient Millennium: LED2-EN018 (Common) - 2018-02-22
Speed Duel: Scars of Battle: SBSC-EN027 (Common) - 2019-08-01

Prices:

Cardmarket: 0.05 €
TCGplayer: $ 0.21