Champions from Beyond feels like a dream for token brewers, letting you flood the board, scry, and eventually punch faces with a pseudo-Overrun
Enigma Ridges Fun: 4 Impact: 3 Chaos: 2 Giving a Land Tax effect to everyone except whoever has the most lands is a pretty good leveling effect, although putting the lands into your hand rather than onto the battlefield tapped limits how immediately useful the effect is
Static Discharge, Sarkhan's Scorn, Ethereal Grasp, and Davriel's Withering all are removal spells that are efficient and unique enough that it's possible to see them having a role in the format
This is a lesson children should be able to work on independently, with little teacher guidance
Every player gets a number of zombies equal to the number of creatures in their graveyard, so every turn will generate a hideous but ephemeral horde
Keep her tapped, and that bottleneck stays in place