There were lots of good answers to individual threats no matter how large, and most decks were sitting on several when it came time to finish them
Below is a list of all the non-foil reprints
Still, its useful in all kinds of builds, especially if you can cheat it out or reanimate it
In addition, whenever a permanent card is put from Grolnoks owners library into their graveyard, that card is exiled with a croak counter on it
Stacking 10 poison counters on a player causes them to lose the game, and infect creatures are the best way to get those counters going
This will let you kill very quickly needing to deal 10 instead of 40 regular damage and 21 Commander to kill, and it will stay around for future kills, unlike Triumph