6 Feasting Hobbit So long as you have even a single food token for this big halfling to eat, it's a 5/5 for two mana that can't be blocked by anything smaller than itself
Most importantly, you can hold up all your countermagic with this
While there is no free option like with Flawless Maneuver, if you cast Unbreakable Formation during your main phase, you get the added bonus of pumping your team and giving them vigilance
Kaust is one of the best niche-mechanic commanders Ive seen in a while
Both Time Sieve and Thopter Assembly have to be on the battlefield, and Thopter Assembly can be the only Thopter you control
The only exceptions were the cards which let the user control when they phased out, such as Frenetic Efreet or Rainbow Efreet, and those which used the mechanic offensively, like Reality Ripple and Sapphire Charm