Genex Solar

Level 7 LIGHT/Machine Effect
2500 ATK / 1500 DEF

You can Normal Summon this card by Tributing 1 "Genex" monster. Inflict 500 damage to your opponent each time a face-up "Genex" monster you control is sent to the Graveyard.

Rulings – Yugipedia

Printings:

Duel Terminal 2: DT02-EN016 (Duel Terminal Super Parallel Rare) - 2010-05-25
Hidden Arsenal 2: HA02-EN010 (Secret Rare) - 2010-07-15

Prices:

Cardmarket: 0.42 €
TCGplayer: $ 0.36