Is Mana Clash legal in Standard, Modern, and Commander?

Mana Clash is legal in: Modern, Legacy, Vintage, Commander.

Mana Clash

Q: What type of card is Mana Clash?

Mana Clash is a Sorcery. Its oracle text reads: "You and target opponent each flip a coin. Mana Clash deals 1 damage to each player whose coin comes up tails. Repeat this process until both players' coins come up heads on the same flip."

Sorcery

You and target opponent each flip a coin. Mana Clash deals 1 damage to each player whose coin comes up tails. Repeat this process until both players' coins come up heads on the same flip.

Set The Dark

Rarity Rare

Artist Mark Tedin