Although a niche case, Death's Shadow can be paired with an enchantment, Phyrexian Unlife, to allow it to exist without its statistics being hindered
Disc-One Nuke: Unlocking certain packs early on can make deck building a lot easier overall
When played early without an answer this card could be oppressive
Jace, the Mind Sculptor Okay, so before I get to the clever excuse I rationalized to include Jace on this list, how sweet is it that Jace is back in Modern
Its also the most valuable of the four by a significant margin (at time of writing, its closest competition Toxtricity is only half its price.) The demand for this card appears to be mostly organic, with the vast majority of buyers only picking up one copy each, so its standing might just reflect the popularity of Ceruledge among fans of the recent Pokmon games
So, we've got battles (specifically Sieges)