We covered White and Blue in Part 1, Red and Black in Part 2, and now we're finishing the rest of the set with Part 3
In addition, Chandra, Torch of Defiances other three abilities are likely to come in handy too
Whenever a Mutant you control dies during your turn, you draw cards equal to its power
You do have to have a legal target, but the card often wouldnt work if you didnt anyway since Your opponent has the option of paying mana equal to the greatest power you have on board to try and nullify the counter magic
Extended-art rares are available only in non-foil in Collector Boosters
(Note: they tend to be kind of reasonable in Un-cubes, but that's a vanishingly small subset of cubes) Honorable Mentions: I think these honorable mentions could be A- or B-tier material if they were squadroned together with at least three other copies of themselves