Slipping that kind of utility into your land section is invaluable, assuming you can support a colorless land or two
Sheoldred, the Apocalypse [Best Creature for Punishing Card Draw] Sheoldred makes every draw step dangerous for your opponents
You don't choose a target creature card to return from your graveyard to your hand at the time Blood Spatter Analysis's second ability triggers
Having a commander with protection from most removal spells means your opponents will have to dedicate other resources to either exile Kotis or stop it from attacking with an enchantment, which is rare to find
Lands : Vivid Crag, Vivid Creek, Vivid Meadow, Reflecting Pool, Rupture Spire, Exotic Orchard This deck is pretty color-intensive, so I think the Vivid Lands (plus Reflecting Pool) can help things