Your search for "*mouse guard*" revealed the following:
Treeguard Duo
[Bloomburrow]
Add 1x NM ($0.40) to Cart
$0.40
Magic Maze: Maximum Security
Add 1x ($30.95) to Cart
$30.95
Harried Spearguard
[Wilds of Eldraine]
Add 1x NM ($0.25) to Cart
Add 1x NM Foil ($0.50) to Cart
Hoverguard Sweepers
[Commander 2014]
Add 1x LP ($0.45) to Cart
$0.45
Mabel, Bitter Recluse
[Reality Fracture]
Add 1x NM ($0.50) to Cart
Add 1x NM Foil ($0.80) to Cart
Wojek Bodyguard
[Ravnica Remastered]
Add 1x NM ($0.25) to Cart
Add 1x NM Foil ($0.70) to Cart
Anaba Bodyguard
[Tenth Edition]
Add 1x LP ($0.23) to Cart
$0.23
Stay Hidden, Stay Silent (0074)
[Duskmourn: House of Horror]
Varies
Stay Hidden, Stay Silent (0074)
[Duskmourn: House of Horror]
Add 1x NM ($0.35) to Cart
Add 1x NM Foil ($0.35) to Cart
Broodguard Elite
[Edge of Eternities]
Add 1x NM ($0.35) to Cart
$0.35
Felidar Guardian
[Mystery Booster]
Add 1x NM ($3.70) to Cart
$3.70
Bane Alley Blackguard
[Dragon's Maze]
Add 1x LP ($0.23) to Cart
Add 1x LP Foil ($0.23) to Cart
Seasoned Warrenguard
[Bloomburrow]
Add 1x NM ($0.35) to Cart
Add 1x NM Foil ($0.50) to Cart
Tuskguard Captain
[Double Masters 2022]
Add 1x NM ($0.50) to Cart
Add 1x NM Foil ($0.50) to Cart
Bear Trap
[Duskmourn: House of Horror]
Add 1x NM ($0.25) to Cart
$0.25
Consul's Shieldguard
[Kaladesh]
Add 1x NM ($0.35) to Cart
$0.35
Armguard Familiar
[Kamigawa: Neon Dynasty]
Add 1x NM ($0.30) to Cart
$0.30
