Phasing out doesn't cause permanents to leave or re-enter the battlefield, so no "leaves the battlefield" or "enters the battlefield" abilities will trigger, and Kaito's first ability won't trigger again at the end of a turn in which he phased in
You still have tools like Yuna, Hope of Spira and Kavaero, Mind Bitten to bring creatures back, but the deck leans more toward a value-based enchantment strategy with strong enter-the-battlefield triggers
A good early removal spell that doubles as a discard outlet is a pretty good rate, even at sorcery speed and with the restriction that you discard an instant or sorcery
When hes Exerted, every time you draw a card on your turn you gain 1 Lore
However, copies will have also been taken out of circulation by an interesting new Naya Overlords Standard deck that has started to gain a little bit of traction
While each one is exiled, its owner may cast it for rather than its mana cost.) Until your next turn, your opponents can't cast spells from anywhere other than their hands