Is All-Out Assault legal in Standard, Modern, and Commander?

All-Out Assault is legal in: Standard, Modern, Pioneer, Legacy, Vintage, Commander, Historic.

All-Out Assault

Q: What type of card is All-Out Assault?

All-Out Assault is an Enchantment. Its oracle text reads: "Creatures you control get +1/+1 and have deathtouch. When this enchantment enters, if it's your main phase, there is an additional combat phase after this phase followed by an additional main phase. When you next attack this turn, untap each creature you control."

Enchantment

Creatures you control get +1/+1 and have deathtouch.

When this enchantment enters, if it's your main phase, there is an additional combat phase after this phase followed by an additional main phase. When you next attack this turn, untap each creature you control.

Set Tarkir: Dragonstorm

Rarity Mythic Rare

Mana Value 5

Artist Joshua Cairos

Collector # 167

Scryfall Gatherer