Commune with Beavers Commune with Beavers is soft fixing at best, but it still helps to increase the consistency of your 3-color base green decks
tease out your opponent's defences with your initial attack, only to pop this onto your tapped wolfy creature, ready it up again, and hit 'em a second time, only harder, and with Vigilance
Flash is another vital component of Cast Outs playability, as being able to interact with the Saheeli combo at instant speed is absolutely vital in Standards current form
to the lost temple of a bat-god of night, eternal enemy to the Threefold Sun
With Field Trip, thats a really green-heavy Ugin, the Spirit Dragon ramp deck finding basically anything that makes Field Trip a slightly more flexible Cultivate, but its also hard to argue for that over Emergent Ultimatum
It also forces your opponents creatures to attack next turn whenever a land enters the battlefield, which opens up their board while also possibly running those creatures into your Trench Behemoth