We remember there being distinct disappointment when March of the Machine gave us a Kaladesh Gremlin precon, Tinker Time and it turned out to be a more generic artifact deck instead of the Energy theme many expected
Some combos require a third spell or action to actually result in a win
Reidane / Valkmira "both is good" isn't the kind of plan that's going to overwhelm your opponents, but it will keep you just a little bit safer as you try to advance your deck's strategy
Mondrak is reasonably costed, its very effective to build around, and having this doubling effect available in the command zone brings great consistency to a token strategy
Zagras, Thief of Heartbeats Zagras, Thief of Heartbeats is a Rakdos commander that brings the party
Pair him with the Sphere Grid Enchantment which gives you a counter every time you damage a player, and it really starts to feel like the game