Is Tidebinder Mage legal in Standard, Modern, and Commander?

Tidebinder Mage is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Tidebinder Mage

Q: What type of card is Tidebinder Mage?

Tidebinder Mage is a Creature — Merfolk Wizard. Its oracle text reads: "When Tidebinder Mage enters, tap target red or green creature an opponent controls. That creature doesn't untap during its controller's untap step for as long as you control Tidebinder Mage."

Creature — Merfolk Wizard

When Tidebinder Mage enters, tap target red or green creature an opponent controls. That creature doesn't untap during its controller's untap step for as long as you control Tidebinder Mage.

Set Pioneer Masters

Rarity Rare

Artist John Severin Brassell