Its warped the metagame around itself, forcing other decks to adopt especially high numbers of anti-graveyard cards to keep pace. Ergo, BfB was taken out to make this combo less aggressive to other players
-The games fantasy world involves countless planes, which are distinct magical settings
Purphoros doesnt beat around the bush, but he will throw it at your enemies
Any abilities that trigger when a creature card is "put into the graveyard from anywhere" would still trigger, because those abilities function from the graveyard, where the card is a new object that still has the ability.
When you roll chaos, you get to Lava Spike someone
With an abundance of mana in your pool an easy feat when playing green Bristly Bill can double your counters over and over, turning even the weakest Creatures into oversized game-ending threats