Triumph of the Hordes by paying ({2} magic symbol) ({G} magic symbol) ({G} magic symbol) , giving creatures you control +1/+1 and infect until end of turn.
Activate
Skirk Fire Marshal by tapping five Goblins you control, putting ten -1/-1 counters on each creature opponents control and giving each opponent ten poison counters.
Each opponent loses the game due to having ten poison counters.
Results
Each opponent loses the game.
Metadata
In 0 decks according to EDHREC.
Bracket Tag
This combo has been estimated to be Exhibition (Bracket 1+).