Aggravated Assault

{3}{R}{R}: Untap all creatures you control. After this main phase, there is an additional combat phase followed by an additional main phase. Activate only as a sorcery.

Wilds of Eldraine: Enchanting Tales

"The knights of Embereth fought with the fire of the Irencrag in their hearts. Though many fell, not a single one retreated."
—*Last Stand of the Realm*

{3}{R}{R}: Untap all creatures you control. If it's a main phase, there is an additional combat phase followed by an additional main phase. Activate only as a sorcery.

Despite being more cunning than most Orks, Kaptin Badrukk still recognizes that some plans just need more dakka.

Secret Lair Drop

Explorers of Ixalan

{3}{R}{R}: Untap all creatures you control. After this main phase, there is an additional combat phase followed by an additional main phase. Activate this ability only any time you could cast a sorcery.

If you have enough mana, the ability may be activated more than once in a turn.

You will normally activate this ability during your postcombat main phase so you can untap any creatures that attacked.