Is Alchemax Slayer-Bots legal in Standard, Modern, and Commander?

Alchemax Slayer-Bots is legal in: Legacy, Vintage, Commander, Pauper.

Alchemax Slayer-Bots

Q: What type of card is Alchemax Slayer-Bots?

Alchemax Slayer-Bots is an Artifact Creature — Robot Villain. Its oracle text reads: "When this creature enters, tap target creature an opponent controls and put a stun counter on it. (If a permanent with a stun counter would become untapped, remove one from it instead.)"

Artifact Creature — Robot Villain

When this creature enters, tap target creature an opponent controls and put a stun counter on it. (If a permanent with a stun counter would become untapped, remove one from it instead.)

Set Marvel's Spider-Man Eternal

Rarity Common

Mana Value 3

Artist Kevin Glint

Collector # 5

Scryfall