Is Unflinching Courage legal in Standard, Modern, and Commander?

Unflinching Courage is legal in: Standard, Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Unflinching Courage

Q: What type of card is Unflinching Courage?

Unflinching Courage is an Enchantment — Aura. Its oracle text reads: "Enchant creatureEnchanted creature gets +2/+2 and has trample and lifelink. (Damage dealt by the creature also causes its controller to gain that much life.)"

Enchantment — Aura

Enchant creature<br>Enchanted creature gets +2/+2 and has trample and lifelink. (Damage dealt by the creature also causes its controller to gain that much life.)

Set Pioneer Masters

Rarity Uncommon

Artist Mike Bierek