Darkblaze Dragon

Level 7 FIRE/Dragon Effect
1200 ATK / 1000 DEF

If this card is Special Summoned from the Graveyard: Its ATK and DEF become double its original ATK and DEF. If this card destroys a monster by battle and sends it to the Graveyard: Inflict damage to your opponent equal to that monster's original ATK.

Rulings – Yugipedia

Printings:

Rise of the Dragon Lords Structure Deck: SDRL-EN002 (Common) - 2007-10-24
Rise of the True Dragons Structure Deck: SR02-EN006 (Common) - 2016-07-07

Prices:

Cardmarket: 0.10 €
TCGplayer: $ 0.12