Whenever one or more modified creatures you control attack, untap all modified creatures you control. After this phase, there is an additional combat phase. This ability triggers only once each turn. (Equipment, Auras you control, and counters are modifications.)
A creature with a counter on it is considered modified no matter what kind of counter it is or which player put it on that creature.
18-02-2022
wotc
Only creatures can be modified. If a modified creature stops being a creature, it is no longer considered modified.
18-02-2022
wotc
Notably, the triggered ability of Akki Battle Squad doesn't give you any additional main phases. This means that you will move directly from the end of combat step of one combat phase to the beginning of combat step of the next one.
18-02-2022
wotc
An Aura controlled by an opponent does not cause a creature you control to be modified.
18-02-2022
wotc
A creature that is equipped is considered modified no matter who controls the Equipment that's attached to it.
Random a card of Magic: The Gathering (MTG), but you can also roll the D20 dice, random a Planeswalker, have fun with the random rules and more.