Of course, as with most big-name creatures from Magic's past, Spiritmonger has been heavily power-crept out of being one of the best Golgari creatures of all time
Artifact decks can do a lot of different things in Commander, and this particular version makes for a lot of fun as its very hard to beat up an army that comes out of nowhere
To make things even more confusing, there is also Historic Brawl
As more sets played with typal themes, we started expanding how we interacted with them
For the longest time (basically until Counterspell was printed in Modern), Thoughtseize, and to a lesser extent Inquisition of Kozilek, were the only major universal disruption spells in Modern
Result: Infinite +1/+1 counters on Basking Broodscale, infinite Eldrazi Spawn tokens, infinite death/sacrifice/enters triggers, infinite colorless mana