2 cards where the name includes “spellstutter”

Spell Stutter (Wilds of Eldraine #69)

Spell Stutter {1}{U}

Instant

Counter target spell unless its controller pays {2} plus an additional {1} for each Faerie you control.

“You are but learning to walk in a world where I fly, mortal.”

Illustrated by Liiga Smilshkalne

Standard
Alchemy
Pioneer
Explorer
Modern
Historic
Legacy
Brawl
Vintage
Timeless
Commander
Pauper
Oathbreaker
Penny
Spellstutter Sprite (Modern Masters #65)

Spellstutter Sprite {1}{U}

Creature — Faerie Wizard

Flash

Flying

When Spellstutter Sprite enters the battlefield, counter target spell with mana value X or less, where X is the number of Faeries you control.

1/1

Illustrated by Rebecca Guay

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

The message was clear to Sorin—time to search for something else.