All 21 Obtenebration Cards

Arms of the Abyss	Combat
Black Metamorphosis	Action
Blanket of Night	Action Modifier
Call the Lamprey	Combat
Darkling Trickery	Combat
Darkness Within	Combat
Darksight	Reaction
Entombment	Combat
Eyes of the Night	Reaction
Oubliette	Combat
Shade	Retainer

Shadow Body	Combat
Shadow Parasite	Combat
Shadow Play	Action Modifier
Shadow Step	Combat
Shadow Strike	Combat
Shadow Twin	Action
Shroud of Absence	Action Modifier
Shroud of Night	Action Modifier
Stone Travel	Action Modifier
Summon the Abyss	Action