Gillagillancer

Level 6 EARTH/Warrior Effect
2200 ATK / 800 DEF

If your opponent controls a monster and you control no monsters, you can Special Summon this card (from your hand). During each End Phase: You take 500 damage. This card must be face-up on the field to activate and to resolve this effect.

Rulings – Yugipedia

Printings:

Legacy of the Valiant: LVAL-EN003 (Common) - 2014-01-24
2014 Mega-Tin Mega Pack: MP14-EN187 (Common) - 2014-08-28

Prices:

Cardmarket: 0.05 €
TCGplayer: $ 0.13