Is Mouse Trapper legal in Standard, Modern, and Commander?

Mouse Trapper is legal in: Standard, Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Mouse Trapper

Q: What type of card is Mouse Trapper?

Mouse Trapper is a Creature — Mouse Soldier. Its oracle text reads: "Flash Valiant — Whenever this creature becomes the target of a spell or ability you control for the first time each turn, tap target creature an opponent controls."

Creature — Mouse Soldier

Flash

Valiant — Whenever this creature becomes the target of a spell or ability you control for the first time each turn, tap target creature an opponent controls.

Set Bloomburrow

Rarity Uncommon

Mana Value 3

Artist Jakub Kasper

Collector # 22

Scryfall Gatherer