Elemental HERO Necroshade

Level 5 DARK/Warrior Effect
1600 ATK / 1800 DEF

Once, while this card is in the Graveyard, 1 Level 5 or higher "Elemental HERO" monster you Normal Summon can be Summoned without Tributing.

Rulings – Yugipedia

Printings:

Yu-Gi-Oh! GX Duel Academy promotional cards: GX1-EN001 (Super Rare) - 2006-01-10
Starter Deck: Jaden Yuki: YSDJ-EN000 (Ultra Rare) - 2007-07-25
Duel Terminal 4: DT04-EN007 (Duel Terminal Normal Parallel Rare) - 2011-01-25
Legendary Collection 2: The Duel Academy Years Mega Pack: LCGX-EN015 (Rare) - 2011-10-04
Ra Yellow Mega Pack: RYMP-EN005 (Common) - 2012-02-17
HERO Strike Structure Deck: SDHS-EN010 (Common) - 2015-01-29
Speed Duel GX: Duel Academy Box: SGX1-ENA11 (Common) - 2022-03-17

Prices:

Cardmarket: 0.16 €
TCGplayer: $ 0.24