+1: You get an emblem with "Ninjas you control get +1/+1." 0: Surveil 2
For example, if you trade all your resources one-for-one and your big finish is a Gray Merchant of Asphodel on an empty battlefield, thats not going to take you very far
6 Sokenzan The main ability of Sokenzan is almost as straightforward as Krosa
The Everflowing Well The Everflowing Well isnt exactly as easy to use in your Yorion, Sky Nomad piles as Omen of the Sea, but if Divination at instant speed with Quick Study is almost playable, what about a Divination that mills and drops an artifact that can pretty easily be turned into a land later
If you have something that seems valuable, make sure to check it for any nicks, creases, tears or fading
This is a ridiculously strong effect if you can willingly put this in the graveyard, since you can permanently haste your entire board for the rest of the game assuming there's no graveyard hate at the table