Dark Horus

Level 8 DARK/Dragon Effect Monster
3000 ATK / 1800 DEF

Once per turn, after resolving a Spell Card that was activated during your opponent's Main Phase: You can target 1 Level 4 DARK monster in your Graveyard; Special Summon that target. This card must be face-up on the field to activate and to resolve this effect.

Rulings – Yugipedia

Printings:

Phantom Darkness: PTDN-EN016 (Ultimate Rare) - 2008-02-13
Phantom Darkness: PTDN-EN016 (Ultra Rare) - 2008-02-13
Turbo Pack: Booster Seven: TU07-EN006 (Rare) - 2012-01-01
Legendary Collection 3: Yugi's World Mega Pack: LCYW-EN209 (Common) - 2012-09-29

Prices:

Cardmarket: 0.93 €
TCGplayer: $ 1.25