Umbral Horror Unform

Level 4 DARK/Fiend Effect
0 ATK / 0 DEF

When this card is destroyed by battle and sent to the Graveyard while attacking a monster: You can Special Summon 2 "Umbral Horror" monsters from your Deck. You can only use the effect of "Umbral Horror Unform" once per turn.

Rulings – Yugipedia

Printings:

Judgment of the Light: JOTL-EN013 (Common) - 2013-08-08
2014 Mega-Tin Mega Pack: MP14-EN067 (Common) - 2014-08-28

Prices:

Cardmarket: 0.07 €
TCGplayer: $ 0.10