If you manage to inflict the burn or poison status effects, you can all but guarantee a knockout
A reasonable threat that discards a card and can be pitch-cast in an emergency to stop your opponent from comboing off does a lot of work
Mutavault is the best value land in the format, with Castle Ardenvale being too expensive to matter, but it seems odd in the super-one-drop-heavy list that wants double or triple white
What if our version of Loki was a planeswalker pretending to be a God
This can actually have some pretty interesting gameplay applications, particularly in green where you might have the biggest creatures and this will clear out small utility creatures or other weaklings that might get in their way
There are few ways of dealing with Embercleve when it drops, and because it has flash, you can choose to cast it after blockers have been declared, allowing you to close a game out by equipping it to the creature that needs it most.