Sheoldred's Terror (Unknown Event #UB12)

Sheoldred's Terror {B}

Instant

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!)

Standard
Alchemy
Pioneer
Explorer
Modern
Historic
Legacy
Brawl
Vintage
Timeless
Commander
Pauper
Oathbreaker
Penny