That said, I like Temur Ascendancy more, as it grants haste, and trample is mostly flavor text for fliers
This +1/+1 counter commander is easy to work with whatever a player already has, and grows easily
Were getting a lot of cheap Flash equipment with until end of turn effects recently, so consider how cost reducers for artifacts factor into the equation, because that can turn them from meh to medium pretty quick
Then Guilds of Ravnica added red to an ability that was very blue-centric
Notice that our clock gets a counter every upkeep (both during your and your foes turns), so in a 4-person table you have about three rotations to make Midnight Clock tick
As for Plummet, it pains me to play such a reactive card that isn't an enchantment