Sheoldred's Terror [Unknown Event]Set: 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!)

you may discard any number of cards

Set: Commander Legends: Battle for Baldur's Gate Type: Enchantment Rarity: Rare Cost: {2}{R} At the beginning of your upkeep

"Locks want to be opened

Probably fine

Set: Neo Genesis 1st Edition Type: Item Rarity: Rare

Discard a card: Until end of turn

Set: Summer Magic / Edgar Type: Instant Rarity: Uncommon Cost: {R} Destroy target Wall

Set: Grand Prix Promos Type: Basic Land — Plains Rarity: Rare ({T}: Add {W}

Set: Streets of New Capenna Type: Legendary Creature — Human Rogue Rarity: Rare Cost: {U} Flash

Set: Betrayers of Kamigawa Type: Legendary Creature — Spirit Rarity: Rare Cost: {4}{B} Whenever a creature with power 1 or less is put into your graveyard from the battlefield

Set: Team Rocket Unlimited Type: Grass Rarity: Common

Sudden Demise deals X damage to each creature of the chosen color