2 cards where the name includes “showstopper”

Rakdos, the Showstopper (Ravnica: Clue Edition #205)

Rakdos, the Showstopper {4}{B}{R}

Legendary Creature — Demon

Flying, trample

When Rakdos, the Showstopper enters the battlefield, flip a coin for each creature that isn’t a Demon, Devil, or Imp. Destroy each creature whose coin comes up tails.

“Entertain me.”

6/6

Watermark: Rakdos

Illustrated by Viktor Titov

Standard
Alchemy
Pioneer
Explorer
Modern
Historic
Legacy
Brawl
Vintage
Timeless
Commander
Pauper
Oathbreaker
Penny
Showstopper (Dragon's Maze #102)

Showstopper {1}{B}{R}

Instant

Until end of turn, creatures you control gain “When this creature dies, it deals 2 damage to target creature an opponent controls.”

The audience quickly realized a few things: it wasn’t a magic trick, there wasn’t candy in there, and they’d need new clothes.

Watermark: Rakdos

Illustrated by Steve Prescott

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

Their mind whirled with grand plans, never thinking of what might happen if they got to the end of the list.