Is Mirror March legal in Standard, Modern, and Commander?

Mirror March is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Mirror March

Q: What type of card is Mirror March?

Mirror March is an Enchantment. Its oracle text reads: "Whenever a nontoken creature you control enters, flip a coin until you lose a flip. For each flip you won, create a token that's a copy of that creature. Those tokens gain haste. Exile them at the beginning of the next end step."

Enchantment

Whenever a nontoken creature you control enters, flip a coin until you lose a flip. For each flip you won, create a token that's a copy of that creature. Those tokens gain haste. Exile them at the beginning of the next end step.

Set Ravnica Allegiance

Rarity Rare

Mana Value 6

Artist Johannes Voss

Collector # 108

Scryfall Gatherer