Enchant creature you control

Whenever enchanted creature deals damage, you gain that much life.

When Spirit Loop is put into a graveyard from the battlefield, return Spirit Loop to its owner's hand.

When Spirit of the Aldergard enters the battlefield, search your library for a snow land card, reveal it, put it into your hand, then shuffle.

Spirit of the Aldergard gets +1/+0 for each other snow permanent you control.

Flying, trample, haste, protection from black

Spirit of the Night has first strike as long as it's attacking.

You may choose not to untap Spirit Shield during your untap step.

, : Target creature gets +0/+2 for as long as Spirit Shield remains tapped.

When Spirited Companion enters the battlefield, draw a card.

Creatures and lands you control have shroud. (They can't be the targets of spells or abilities.)

When a creature you control attacks, sacrifice Spiritual Asylum.

Create a 1/1 colorless Spirit creature token.

Splice onto Arcane (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)

Defender

Whenever an enchantment enters the battlefield under your control, Steelclad Spirit can attack this turn as though it didn't have defender.

Return all creature cards from your graveyard to the battlefield. Each of them is a 1/1 Spirit with flying in addition to its other types. Exile Storm of Souls.

Protection from red

: Subterranean Spirit deals 1 damage to each creature without flying.

Flying

Other Spirits you control get +1/+1.

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

: Takeno's Cavalry deals 1 damage to target attacking or blocking Spirit.

Equipped creature gets +5/+5.

, Exile Tatsumasa, the Dragon's Fang: Create a 5/5 blue Dragon Spirit creature token with flying. Return Tatsumasa to the battlefield under its owner's control when that token dies.

Equip

Whenever you draw a card, put a loyalty counter on Teferi, Temporal Pilgrim.

0: Draw a card.

−2: Create a 2/2 blue Spirit creature token with vigilance and "Whenever you draw a card, put a +1/+1 counter on this creature."

−12: Target opponent chooses a permanent they control and returns it to its owner's hand. Then they shuffle each nonland permanent they control into its owner's library.

Vigilance, protection from creatures

Whenever a creature deals combat damage to you, destroy that creature. Create a 1/1 white and black Spirit creature token with flying.

Sacrifice three white creatures: Exile target creature.

Whenever another black creature you control dies, create a 1/1 white Spirit creature token with flying.

At the beginning of each end step, create X 1/1 white Spirit creature tokens with flying, where X is the number of tokens you created this turn.

Whenever you cast a Spirit or Arcane spell, target opponent loses 1 life and you gain 1 life.

Soulshift 2 (When this creature dies, you may return target Spirit card with mana value 2 or less from your graveyard to your hand.)

Exile target Spirit, creature with disturb, or enchantment.

During your turn, spells your opponents cast cost more to cast and abilities your opponents activate cost more to activate unless they're mana abilities.

Afterlife 1 (When this creature dies, create a 1/1 white and black Spirit creature token with flying.)

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.)

, Sacrifice Transluminant: Create a 1/1 white Spirit creature token with flying at the beginning of the next end step.

Whenever a creature token leaves the battlefield, put a +1/+1 counter on Twilight Drover.

, Remove a +1/+1 counter from Twilight Drover: Create two 1/1 white Spirit creature tokens with flying.

+2: Ugin, the Spirit Dragon deals 3 damage to any target.

−X: Exile each permanent with mana value X or less that's one or more colors.

−10: You gain 7 life, draw seven cards, then put up to seven permanent cards from your hand onto the battlefield.

, Sacrifice Urborg Panther: Destroy target creature blocking Urborg Panther.

Sacrifice a creature named Feral Shadow, a creature named Breathstealer, and Urborg Panther: Search your library for a card named Spirit of the Night, put that card onto the battlefield, then shuffle.

Enchant creature

Enchanted creature gets +1/+1.

When enchanted creature leaves the battlefield, create a 1/1 white Spirit creature token with flying.

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.)

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.)

Flying

Wanderlight Spirit can block only creatures with flying.

Whenever you cast a Spirit or Arcane spell, you may put a ki counter on Waxmane Baku.

, Remove X ki counters from Waxmane Baku: Tap X target creatures.

Flash

At the beginning of your end step, if you haven't cast a spell from your hand this turn, create a 2/2 white Spirit creature token with flying.

When Yuki-Onna enters the battlefield, destroy target artifact.

Whenever you cast a Spirit or Arcane spell, you may return Yuki-Onna to its owner's hand.