Theban Nightmare

Level 4 LIGHT/Fiend Effect
1500 ATK / 500 DEF

Gains 1500 ATK while you have no cards in your hand nor in your Spell & Trap Zones.

Printings:

Ancient Sanctuary: AST-063 (Rare) - 2004-06-01
Dark Revelation Volume 2: DR2-EN176 (Rare) - 2005-10-20
Champion Pack: Game Six: CP06-EN014 (Common) - 2008-05-12
Battle Pack: Epic Dawn: BP01-EN134 (Common) - 2012-05-24
Battle Pack: Epic Dawn: BP01-EN134 (Starfoil Rare) - 2012-05-24
2-Player Starter Deck: Yuya & Declan: YS15-END08 (Common) - 2015-05-28
Dark Legion Starter Deck: YS15-ENL11 (Common) - 2015-05-29
Speed Duel: Attack from the Deep: SBAD-EN038 (Common) - 2019-05-30

Prices:

Cardmarket: 0.04 €
TCGplayer: $ 0.10