answered Oct 4, 2016 at 19:01 KSFT 1,78013 silver badges19 bronze badges 2 You can actually directly search for all cards without a mana cost (or, more specifically, an empty mana cost) like this [direct link]: This can be input directly in the Advanced Search by submitting Mana Cost and = , without adding any value to the field
The card has 2 power/2 toughness and is a Dinosaur Creature that costs one generic, one Black, and one Green mana
Blood Artist remains among the best due to its low mana cost and the fact that it triggers off your opponents creatures dying, which puts tons of pressure on the board
Frogs are one such creature type
Its not that far off from Amazon and a little more official than selling through something like Facebook Marketplace
When I do the equivalent article to this one after Worldwake comes out, I promise to point out Convertible Turtle