Helpoemer

Level 5 DARK/Fiend Effect
2000 ATK / 1400 DEF

Cannot be Special Summoned from the GY. At the end of your opponent's Battle Phase, if this card is in the GY because it was destroyed by battle: Make your opponent discard 1 random card. This card must be in the GY to activate and to resolve this effect.

Rulings – Yugipedia

Printings:

Pharaonic Guardian: PGD-058 (Ultra Rare) - 2003-07-18
Dark Revelation Volume 1: DR1-EN006 (Super Rare) - 2005-03-19
Retro Pack 2: RP02-EN074 (Ultra Rare) - 2009-07-28
Gold Series: Haunted Mine: GLD5-EN006 (Common) - 2012-06-07
Legendary Collection 4: Joey's World Mega Pack: LCJW-EN116 (Common) - 2013-10-11
Duelist Pack: Rivals of the Pharaoh: DPRP-EN032 (Common) - 2016-09-15
Speed Duel Starter Decks: Twisted Nightmares: SS05-ENB13 (Common) - 2020-05-15

Prices:

Cardmarket: 0.10 €
TCGplayer: $ 0.21