Even so, lifegain decks arent the only ones that could use a 3-mana 2/1 that draws a card and gains you 1 life
Black Market Mono black is not a color that can ramp easily, and a Tergrid Commander deck wants a lot of mana to work with
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Take out a six drop with this you are not however chuffed about the three mana you are up, you are butthurt from the six life you just lost that is probably going to mean you still lose
It might be even better against decks that are not running many creatures, as we get to add two power to the battlefield each turn for free