Troika 2.0.1
Ganging up: Every subsequent melee attack on the same target confers an accumulating +1 for those attacking them. This bonus resets every time the End of Round Token is drawn.
Group luck: In circumstances where multiple people are the subject of a Test of Luck, and any one of them failing would effectively mean they all “fail” in some way, then the GM should ask only the player character with the lowest current Luck total to roll. Their success or failure applies to the whole group.