It's a value machine if you can cast it that will fill your battlefield, fill your hand, and clear your opponents battlefield
You can choose not to activate the [Once Per Turn] effect of [Koala] when Sanji is played, and then choose to activate it in response to [Charlotte Linlin] being played after your opponent has activated and resolved the [On Play] effect of [Charlotte Linlin].
With Universes Beyond lovers not wanting to spend their money on it, and in-Universe stalwarts already turning their noses up at it, its almost impossible for Edge of Eternities to be the success Tarkir: Dragonstorm and Final Fantasy were before it
These two phases are referred to as the first and second Main Phase, or alternatively as the pre-combat and post-combat Main Phase, and respectively make up the second and fourth phases of a turn
You wont deck out since you cant Scry with an empty deck, but you will go right down to the wire