Coven is an ability word that's used to highlight abilities that get better if you control three or more creatures with different powers
Everyones experiences differ, so my entries may not be overrated in your estimation
Id say that Cave of the Frost Dragon is the next best fit by color, though its just a bit too inefficient to activate to really move the needle, and Hive of the Eye Tyrant is the next most powerful of the lot but that black aggressive decks just dont tend to have the best tools in most Cubes
The thing is, this Hero can be killed both by creature and enchantment removal
Unfortunately, much like with lands, Commander 2018 is extremely disappointing in terms of good artifacts
Det gir en mer sosial flelse, samtidig som man fortsatt har kontroll p innsatsene