Spice Rack (Unknown Event #RA02d)

Spice Rack {2}

Artifact

As Spice Rack enters the battlefield, choose an opponent.

The chosen player’s maximum Commander size is one. (They can only have one commander in their command zone. If they ever have more than one, they must put any excess commanders into their graveyard.)

Cycling {2}

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