As long as you have more cards in hand than each opponent, Descendant of Kiyomaro gets +1/+2 and has "Whenever this creature deals combat damage, you gain 3 life."
Bushido 2 (Whenever this creature blocks or becomes blocked, it gets +2/+2 until end of turn.), Sacrifice a Samurai: Samurai creatures you control gain double strike until end of turn.
At the beginning of your upkeep, put a +1/+1 counter on Descendant of Masumaro for each card in your hand, then remove a +1/+1 counter from Descendant of Masumaro for each card in target opponent's hand.
At the beginning of your upkeep, sacrifice Kami of the Tended Garden unless you pay .Soulshift 3 (When this creature dies, you may return target Spirit card with mana value 3 or less from your graveyard to your hand.)
When Kaho, Minamo Historian enters, search your library for up to three instant cards, exile them, then shuffle., : You may cast a spell with mana value X from among cards exiled with Kaho without paying its mana cost.
Whenever Shape Stealer blocks or becomes blocked by a creature, change Shape Stealer's base power and toughness to that creature's power and toughness until end of turn.