Aggravated Assault

Oracle Text

3RR: 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.

Card Rulings

10/4/2004 If you have enough mana, the ability may be activated more than once in a turn.
10/4/2004 You will normally use this during your post-combat main phase so you can untap any creatures that attacked.