Is Mask of the Schemer legal in Standard, Modern, and Commander?

Mask of the Schemer is legal in: Legacy, Vintage, Commander.

Mask of the Schemer

Q: What type of card is Mask of the Schemer?

Mask of the Schemer is an Artifact — Equipment. Its oracle text reads: "Whenever equipped creature deals combat damage to a player, it connives X, where X is the amount of damage it dealt to that player. (Draw X cards, then discard X cards. Put a +1/+1 counter on that creature for each nonland card discarded this way.) Equip {2}"

Artifact — Equipment

Whenever equipped creature deals combat damage to a player, it connives X, where X is the amount of damage it dealt to that player. (Draw X cards, then discard X cards. Put a +1/+1 counter on that creature for each nonland card discarded this way.)

Equip

Set New Capenna Commander

Rarity Rare

Mana Value 3

Artist James Paick

Collector # 28

Scryfall Gatherer