My gut says well end up with some combination of a nostalgia/story card and a Modern staple, hence my timid tabling of something like Vengevine + Garruk, Wildspeaker as cards that could use the reprint and fit into the EV modeling
You can also get cards like Sol Ring, Terrarion, or Basilisk Collar
Nin, The Pain Artist Despite sounding very scary, Nin, the Pain Artist can be a welcome sight on your opponents side of the field
Spectral Adversary Imagine being attacked by a large army only to surprise your opponent by flashing in this blue creature
Purestrains prepare the battlefield and Broodlords ensure they can keep doing that, until eventually you have Patriarchs to come and turn their enemy's strength against each other
Each color has its own strengths and weaknesses, the latter of which can be mitigated by combining multiple colors into a single deck