They have to turn a profit on anything they acquire
Removal Regarding removal, we have the ability to hit a variety of important threats and permanents, although I would have to say Abrupt Decay is the star removal spell in this deck, and I think, in the new Standard, its going to be among the main reasons people have Golgari colors in their decks
Each creature you tap while casting this spell pays for or one mana of that creature's color.) Flying When this creature enters, prevent the next 5 damage that would be dealt this turn to any number of targets, divided as you choose
Additionally, the fact that Ancient Stone Idol leaves behind a 6/12 token with trample even if dies gives you a little bit of an insurance policy against opposing removal
You can cleave it as an alternate cost, and then you net a free spell for the turn, and I love it on an enemy's turn when you cast this for free, to bounce what your foe played and then drop a flash thing like Hullbreaker Horror or Ancient Stone Idol or you can just cast another instant that draws you cards
Mana curve, color distribution, probability calculations, format legality checks