Electric Seaweed from the hard-as-nails NES game makes an appearance to strike fear into gamers of a certain age, while other cards reference the squads love of arcade machines, like High Score and, uh, Arcade Cabinet
One of these are the class enchantments, which are a very flavorful way to bring the feeling of building up your own D&D character to your deck
in many cards, you'll find effects disrupt the game's rules
Fateful Absence The best white removal since Swords to Plowshares, it has to be said
Sengir, the Dark Baron Sengir, the Dark Baron does the vampire thing of preying on those that are killed, and it is good to get two counters, though on a 6-cost creature is simply harder to use
Abrade has a ton of versions already, as does Spell Pierce, and while Shared Roots has potential, none of the other three see much play