Showing the one card where the name is exactly “meekstone” and the set is “mps”

Meekstone (Kaladesh Inventions #40)

Meekstone {1}

Artifact

Creatures with power 3 or greater don’t untap during their controllers’ untap steps.

“When it oscillated above a particular frequency, the stone induced acute listlessness in several researchers.”
—Consulate engineer’s log

Illustrated by Steve Argyle

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