Innocence Kami

{W}, {T}: Tap target creature.
Whenever you cast a Spirit or Arcane spell, untap Innocence Kami.

Kitsune Healer

{T}: Prevent the next 1 damage that would be dealt to any target this turn.
{T}: Prevent all damage that would be dealt to target legendary creature this turn.

Harsh Deceiver

{1}: Look at the top card of your library.
{2}: Reveal the top card of your library. If it's a land card, untap Harsh Deceiver and it gets +1/+1 until end of turn. Activate only once each turn.

Getting

Kitsune Dawnblade

Bushido 1 (Whenever this creature blocks or becomes blocked, it gets +1/+1 until end of turn.)
When Kitsune Dawnblade enters, you may tap target creature.

Descendant of Kiyomaro

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."

Kiyomaro, First to Stand

Kiyomaro, First to Stand's power and toughness are each equal to the number of cards in your hand.
As long as you have four or more cards in hand, Kiyomaro has vigilance.
Whenever Kiyomaro deals damage, if you have seven or more cards in hand, you gain 7 life.

Hundred-Talon Kami

Flying
Soulshift 4 (When this creature dies, you may return target Spirit card with mana value 4 or less from your graveyard to your hand.)

Kitsune Diviner

Devoted Retainer

Bushido 1 (Whenever this creature blocks or becomes blocked, it gets +1/+1 until end of turn.)

Horizon Seed

Whenever you cast a Spirit or Arcane spell, regenerate target creature.

Kitsune Bonesetter

{T}: Prevent the next 3 damage that would be dealt to target creature this turn. Activate only if you have more cards in hand than each opponent.

Kabuto Moth

Flying
{T}: Target creature gets +1/+2 until end of turn.

Kami of the Painted Road

Whenever you cast a Spirit or Arcane spell, Kami of the Painted Road gains protection from the color of your choice until end of turn.

Waxmane Baku

Whenever you cast a Spirit or Arcane spell, you may put a ki counter on Waxmane Baku.
{1}, Remove X ki counters from Waxmane Baku: Tap X target creatures.

Kitsune Loreweaver

{1}{W}: Kitsune Loreweaver gets +0/+X until end of turn, where X is the number of cards in your hand.

Silverstorm Samurai

Flash
Bushido 1 (Whenever this creature blocks or becomes blocked, it gets +1/+1 until end of turn.)

Hikari, Twilight Guardian

Flying
Whenever you cast a Spirit or Arcane spell, you may exile Hikari, Twilight Guardian. If you do, return it to the battlefield under its owner's control at the beginning of the next end step.

Araba Mothrider

Flying
Bushido 1 (Whenever this creature blocks or becomes blocked, it gets +1/+1 until end of turn.)

Moonwing Moth

Flying
{W}: Moonwing Moth gets +0/+1 until end of turn.

Kami of False Hope

Sacrifice Kami of False Hope: Prevent all combat damage that would be dealt this turn.

Kitsune Blademaster

First strike
Bushido 1 (Whenever this creature blocks or becomes blocked, it gets +1/+1 until end of turn.)

Kami of Tattered Shoji

Whenever you cast a Spirit or Arcane spell, Kami of Tattered Shoji gains flying until end of turn.

Nagao, Bound by Honor

Bushido 1 (Whenever this creature blocks or becomes blocked, it gets +1/+1 until end of turn.)
Whenever Nagao, Bound by Honor attacks, Samurai creatures you control get +1/+1 until end of turn.

Lantern Kami

Kitsune Riftwalker

Nikko-Onna

When Nikko-Onna enters, destroy target enchantment.
Whenever you cast a Spirit or Arcane spell, you may return Nikko-Onna to its owner's hand.

Samurai Enforcers

Bushido 2 (Whenever this creature blocks or becomes blocked, it gets +2/+2 until end of turn.)

Eiganjo Free-Riders

Flying
At the beginning of your upkeep, return a white creature you control to its owner's hand.

Kami of Ancient Law

Sacrifice Kami of Ancient Law: Destroy target enchantment.

Shinen of Stars' Light

First strike
Channel — {1}{W}, Discard Shinen of Stars' Light: Target creature gains first strike until end of turn.

Kami of Old Stone

Ghost-Lit Redeemer

{W}, {T}: You gain 2 life.
Channel — {1}{W}, Discard Ghost-Lit Redeemer: You gain 4 life.

Split-Tail Miko

{W}, {T}: Prevent the next 2 damage that would be dealt to any target this turn.

Kami of the Honored Dead

Flying
Whenever Kami of the Honored Dead is dealt damage, you gain that much life.
Soulshift 6 (When this creature dies, you may return target Spirit card with mana value 6 or less from your graveyard to your hand.)

Terashi's Grasp

Destroy target artifact or enchantment. You gain life equal to its mana value.

Torii Watchward

Vigilance (Attacking doesn't cause this creature to tap.)
Soulshift 4 (When this creature dies, you may return target Spirit card with mana value 4 or less from your graveyard to your hand.)

Moonlit Strider

Sacrifice Moonlit Strider: Target creature you control gains protection from the color of your choice until end of turn.
Soulshift 3 (When this creature dies, you may return target Spirit card with mana value 3 or less from your graveyard to your hand.)

Takeno's Cavalry

Bushido 1 (Whenever this creature blocks or becomes blocked, it gets +1/+1 until end of turn.)
{T}: Takeno's Cavalry deals 1 damage to target attacking or blocking Spirit.

Kami of the Palace Fields

Flying, first strike
Soulshift 5 (When this creature dies, you may return target Spirit card with mana value 5 or less from your graveyard to your hand.)