Sheoldred's Terror [Unknown Event] HER013-P Set: Mystery Booster Type: Artifact

Set: Mystery Booster Type: Artifact Rarity: Rare Cost: {4} Whenever you cast a spell

Set: Neo Genesis Unlimited Type: Psychic Rarity: Holo Rare Retreat cost: Colorless

“Terisia City's fall is inevitable

Set: Throne of Eldraine Type: Instant Rarity: Rare Cost: {1}{G} If this spell is the first spell you've cast this game

Set: Rivals of Ixalan Promos Type: Sorcery Rarity: Rare Cost: {6}{R} For each land you control

Sheoldred's Terror [Unknown Event] HER013-P Set: Mystery Booster Type: ArtifactSet: Unknown Event Type: Instant Rarity: Common Cost: {B} Destroy target creature not originally printed in an Argentum expansion. (Mirrodin, Darksteel, Fifth Dawn, Scars of Mirrodin, Mirrodin Besieged, New Phyrexia, and Phyrexia: All Will be One are Argentum expansions. Argentum is Karn's original name for that plane, now you know!)