Matsu-Tribe Sniper

{T}: This creature deals 1 damage to target creature with flying.
Whenever this creature deals damage to a creature, tap that creature and it doesn't untap during its controller's next untap step.

Thousand-legged Kami

Soulshift 7 (When this creature dies, you may return target Spirit card with mana value 7 or less from your graveyard to your hand.)

Matsu-Tribe Decoy

{2}{G}: Target creature blocks this creature this turn if able.
Whenever this creature deals combat damage to a creature, tap that creature and it doesn't untap during its controller's next untap step.

Burr Grafter

Sacrifice this creature: Target creature gets +2/+2 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.)

Rootrunner

{G}{G}, Sacrifice this creature: Put target land on top of its owner's library.
Soulshift 3 (When this creature dies, you may return target Spirit card with mana value 3 or less from your graveyard to your hand.)

Orbweaver Kumo

Reach (This creature can block creatures with flying.)
Whenever you cast a Spirit or Arcane spell, this creature gains forestwalk until end of turn. (It can't be blocked as long as defending player controls a Forest.)

Bounteous Kirin

Flying
Whenever you cast a Spirit or Arcane spell, you may gain life equal to that spell's mana value.

Jukai Messenger

Forestwalk (This creature can't be blocked as long as defending player controls a Forest.)

Traproot Kami

Defender; reach (This creature can block creatures with flying.)
Traproot Kami's toughness is equal to the number of Forests on the battlefield.

Promised Kannushi

Hana Kami

{1}{G}, Sacrifice this creature: Return target Arcane card from your graveyard to your hand.

Orochi Leafcaller

Descendant of Masumaro

At the beginning of your upkeep, put a +1/+1 counter on this creature for each card in your hand, then remove a +1/+1 counter from this creature for each card in target opponent's hand.

Kami of the Tended Garden

At the beginning of your upkeep, sacrifice this creature unless you pay {G}.
Soulshift 3 (When this creature dies, you may return target Spirit card with mana value 3 or less from your graveyard to your hand.)

Splinter

Exile target artifact. Search its controller's graveyard, hand, and library for all cards with the same name as that artifact and exile them. Then that player shuffles.

Elder Pine of Jukai

Whenever you cast a Spirit or Arcane spell, reveal the top three cards of your library. Put all land cards revealed this way into your hand and the rest on the bottom of your library in any order.
Soulshift 2 (When this creature dies, you may return target Spirit card with mana value 2 or less from your graveyard to your hand.)

Sachi, Daughter of Seshiro

Other Snake creatures you control get +0/+1.
Shamans you control have "{T}: Add {G}{G}."

Kashi-Tribe Elite

Legendary Snakes you control have shroud. (They can't be the targets of spells or abilities.)
Whenever this creature deals combat damage to a creature, tap that creature and it doesn't untap during its controller's next untap step.

Stampeding Serow

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

Venerable Kumo

Reach (This creature can block creatures with 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.)

Scaled Hulk

Whenever you cast a Spirit or Arcane spell, this creature gets +2/+2 until end of turn.

Arashi, the Sky Asunder

{X}{G}, {T}: Arashi deals X damage to target creature with flying.
Channel — {X}{G}{G}, Discard this card: It deals X damage to each creature with flying.

Kashi-Tribe Reaver

Whenever this creature deals combat damage to a creature, tap that creature and it doesn't untap during its controller's next untap step.
{1}{G}: Regenerate this creature.

Iwamori of the Open Fist

Trample
When Iwamori enters, each opponent may put a legendary creature card from their hand onto the battlefield.

Kami of the Hunt

Whenever you cast a Spirit or Arcane spell, this creature gets +1/+1 until end of turn.

Child of Thorns

Sacrifice this creature: Target creature gets +1/+1 until end of turn.

Ghost-Lit Nourisher

{2}{G}, {T}: Target creature gets +2/+2 until end of turn.
Channel — {3}{G}, Discard this card: Target creature gets +4/+4 until end of turn.

Moss Kami

Haru-Onna

When this creature enters, draw a card.
Whenever you cast a Spirit or Arcane spell, you may return this creature to its owner's hand.

Order of the Sacred Bell

Sakura-Tribe Springcaller

At the beginning of your upkeep, add {G}. Until end of turn, you don't lose this mana as steps and phases end.

Orochi Sustainer

Shinen of Life's Roar

All creatures able to block this creature do so.
Channel — {2}{G}{G}, Discard this card: All creatures able to block target creature this turn do so.

Kashi-Tribe Warriors

Whenever this creature deals combat damage to a creature, tap that creature and it doesn't untap during its controller's next untap step.

Okina Nightwatch

As long as you have more cards in hand than each opponent, this creature gets +3/+3.

Fiddlehead Kami

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

Nightsoil Kami

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

Vine Kami

Menace (This creature can't be blocked except by two or more creatures.)
Soulshift 6 (When this creature dies, you may return target Spirit card with mana value 6 or less from your graveyard to your hand.)

Petalmane Baku

Whenever you cast a Spirit or Arcane spell, you may put a ki counter on this creature.
{1}, Remove X ki counters from this creature: Add X mana of any one color.

Feral Deceiver

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

Soilshaper

Whenever you cast a Spirit or Arcane spell, target land becomes a 3/3 creature until end of turn. It's still a land.

Harbinger of Spring

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

Lifespinner

{T}, Sacrifice three Spirits: Search your library for a legendary Spirit permanent card, put it onto the battlefield, then shuffle.

Gnarled Mass

Matsu-Tribe Birdstalker

Whenever this creature deals combat damage to a creature, tap that creature and it doesn't untap during its controller's next untap step.
{G}: This creature gains reach until end of turn. (It can block creatures with flying.)

Sosuke, Son of Seshiro

Other Snake creatures you control get +1/+0.
Whenever a Warrior you control deals combat damage to a creature, destroy that creature at end of combat.