First printed in Teenage Mutant Ninja Turtles (2026)
Mouser Mark III 
Artifact Creature — Robot
This creature can't attack unless you control another artifact.
Designed to get rodents out of small spaces, its Mouser maws can be used to seize all sorts of vermin!
2/3
- Illustrated by
- Gabriel Tanko
Legality
- Legal in
- Standard, Pioneer, Modern, Legacy, Vintage, Pauper, Future Standard, Historic, Timeless, Alchemy, Gladiator, Commander, Duel Commander, Pauper Commander, Tiny Leaders, Oathbreaker, Brawl, Standard Brawl, Competitive Brawl
- Not legal in
- Penny Dreadful, Premodern, Old School 93/94, PreDH
Ruling (1)
- Once Mouser Mark III is attacking, it will remain attacking even if you no longer control any other artifacts.
Prices
MTGO price: 0.002 TIX, the cheapest non-foil print (average sell price on GoatBots, 28 Oct 2026).
In Limited on MTG Arena
Win rates in Arena drafts and sealed, retrieved from 17Lands (CC BY 4.0).
| Set | GIH WR | vs set | IWD | Games |
|---|---|---|---|---|
| Teenage Mutant Ninja Turtles (TMT), Premier Draft | 55.9% | -0.9 | -0.2 | 15810 |
| Teenage Mutant Ninja Turtles (TMT), Sealed | 55.4% | -2.2 | +1.7 | 1371 |
- GIH WR
- win rate of the games in which the card was in the opening hand or drawn
- vs set
- points above or below the average win rate of all decks in the set
- IWD
- improvement when drawn: GIH WR minus the win rate when the card stayed in the library
- Games
- games in which the card was seen