Effect
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.
The monster effect of "Umbral Unform" is a Trigger Effect.
It is an optional effect that can be activated when "Umbral Unform" itself attacks and is destroyed by battle and sent to the Graveyard (at the end of the Damage Step).
It does not target.
If there are not 2 or more "Umbral" monsters in your Deck, you cannot activate the monster effect of "Umbral Unform."
When "Umbral Unform" is destroyed by battle and sent to the Graveyard, if there is only 1 open space in your Monster Zone, you cannot Special Summon 2 monsters, so you cannot activate the monster effect of "Umbral Unform."
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