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

Grindstone (Kaladesh Inventions #39)

Grindstone {1}

Artifact

{3}, {T}: Target player mills two cards. If two cards that share a color were milled this way, repeat this process.

“All attempts to halt the machine failed. We must find a way to repurpose it.”
—Consulate engineer’s log

Illustrated by Johann Bodin

Standard
Alchemy
Pioneer
Historic
Modern
Brawl
Legacy
Timeless
Vintage
Pauper
Commander
Penny
Oathbreaker
Notes and Rules Information for Grindstone:
  • If the two cards are both colorless, then the effect does not repeat. It only repeats if both cards have at least one color and at least one color is shared between them. (2004-10-04)
  • The process can repeat any number of times, as long as two cards that share a color are milled each time. (2024-04-12)