Sheoldred's Terror [Unknown Event] Demon Whenever a player casts an

Whenever a player casts an instant or sorcery spell

The built-in dice tray adds convenience for gameplay

and Scars of Mirrodin expansions

and anything else not from the MOM main set

550+ double-sleeved cards or 650+ single-sleeved cards or 1100+ unsleeved cards*

Sheoldred's Terror [Unknown Event] Demon Whenever a player casts anSet: 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!)