Sagu Wildling:
I want to try it because of the omen. Searching for lands is normally bad, because it shrinks the library. The Omen doesn't. It can even be used to protect against decking. I assume that people will play the dragon side only rarely.
I am slightly worried that the omen might be to good.
The card as a whole is also far more wordy than what I want for this cube.
Rosethorn Acolyte is the cut because I don't want to play adventures and omens at the same time.

Sniper:
I like one mana creatures with deathtouch. finally one is playable

Fell Horseman is not good enough, but i am still looking for a black card that can prolong the game

Kavu predator should be good with all the life gain in the cube

springamne cervin is not good enough, but I am also not sure whether Skyshoriud cutter will make it. But I want to try him

ornithopter is just too strong, gleaming barrier is a placeholder

Joust through - I am still searching for the best removal option for this cube

Open Fire is also very strong and let to weird games. Giant Cindermaw should also be very strong, but it gives the opponent one more turn

One damage is not enough