Horus the Black Flame Dragon LV4

Level 4 FIRE/Dragon Effect Monster
1600 ATK / 1000 DEF

Control of this face-up card cannot switch. During the End Phase, if this card destroyed a monster by battle this turn: You can send this face-up card to the Graveyard; Special Summon 1 "Horus the Black Flame Dragon LV6" from your hand or Deck.

Rulings – Yugipedia

Printings:

Soul of the Duelist: SOD-EN006 (Rare) - 2004-10-01
Soul of the Duelist: SOD-EN006 (Ultimate Rare) - 2004-10-01
Dark Revelation Volume 3: DR3-EN006 (Rare) - 2006-11-25
Legendary Collection 3: Yugi's World Mega Pack: LCYW-EN197 (Common) - 2012-09-29
Starter Deck: Kaiba Reloaded: YSKR-EN019 (Common) - 2013-12-06

Prices:

Cardmarket: 0.47 €
TCGplayer: $ 0.57