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: For each counter removed, this creature gets +2/+0 until end of turn.

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

Whenever you cast a Spirit or Arcane spell, put a +1/+1 counter on target creature.

Flying Whenever you cast a Spirit or Arcane spell, destroy all permanents with that spell's mana value.

Whenever you cast a Spirit or Arcane spell, you may sacrifice this creature. If you do, draw a card.

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.)

Whenever you cast a Spirit or Arcane spell, target creature gains flying until end of turn.

Flying {1}, Sacrifice a Spirit: Target opponent reveals their hand. You choose a card from it. That player discards that card. Activate only as a sorcery. Soulshift 4 (When this creature dies, you may return target Spirit card with mana value 4 or less from your graveyard to your hand.)

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

Flying Whenever you cast a Spirit or Arcane spell, target player reveals their hand and discards all cards with that spell's mana value.

Whenever you cast a Spirit or Arcane spell, target creature can't block this turn.

Flying Whenever you cast a Spirit or Arcane spell, target creature gains fear until end of turn. (It can't be blocked except by artifact creatures and/or black creatures.)

Kodama of the Center Tree's power and toughness are each equal to the number of Spirits you control. Kodama of the Center Tree has soulshift X, where X is the number of Spirits you control. (When this creature dies, you may return target Spirit card with mana value X or less from your graveyard to your hand.)

Whenever you cast a Spirit or Arcane spell, each other creature you control gets +1/+1 and gains trample until end of turn.

Whenever you cast a Spirit or Arcane spell, target opponent exiles a card from their hand.

Whenever you cast a Spirit or Arcane spell, you may put a land card from your hand onto the battlefield tapped.

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

Whenever you cast a Spirit or Arcane spell, you may destroy target nonbasic land.

Flying Whenever you cast a Spirit or Arcane spell, create a 3/3 white Spirit creature token with flying.

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.

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

Flying Whenever you cast a Spirit or Arcane spell, you may draw a card.

Flying Whenever you cast a Spirit or Arcane spell, you may gain control of target creature with that spell's mana value until end of turn.

Whenever you cast a Spirit or Arcane spell, this creature deals 1 damage to target creature.

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.)

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: Tap X target creatures.

You may exile a red card with mana value X from your hand rather than pay this spell's mana cost. Target creature gets +X/+0 until end of turn.

Target creature you control gains protection from the color of your choice until end of turn. Splice onto Arcane {W} (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.)

Return target creature to its owner's hand. Splice onto Arcane {3}{U} (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.)

Add {R}{R}{R}. Splice onto Arcane {1}{R} (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.)

As an additional cost to cast this spell, you may sacrifice any number of Spirits. Target creature gets +3/+0 until end of turn. For each Spirit sacrificed this way, that creature gets an additional +3/+0 until end of turn.

Prevent all damage that would be dealt by creatures this turn.

(Nonexistent mana costs can't be paid.) Draw a card. Splice onto Arcane {1}{U} (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.)

Glacial Ray deals 2 damage to any target. Splice onto Arcane {1}{R} (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.)

All creatures get -2/-2 until end of turn. Splice onto Arcane {3}{B}{B} (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.)

If you control a Swamp, destroy target nonblack creature. Splice onto Arcane—Exile four cards from your graveyard. (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.)

Target creature gets +1/+0 and gains first strike until end of turn. Splice onto Arcane—Tap an untapped white creature you control. (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.)

Target creature gets +X/+X until end of turn, where X is the number of cards in your hand.

Ire of Kaminari deals damage to any target equal to the number of Arcane cards in your graveyard.

Target creature gets +2/+2 until end of turn. Splice onto Arcane {G} (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.)

Target creature gains flying until end of turn. Splice onto Arcane {1}{U} (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.)

Exile target creature. At the beginning of the next end step, return that card to the battlefield under its owner's control with a +1/+1 counter on it.

Creatures you control get +2/+0 until end of turn.

Look at the top five cards of your library. You may reveal an instant or sorcery card from among them and put it into your hand. Put the rest on the bottom of your library in any order.

You may tap or untap target permanent. Splice onto Arcane {U} (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.)

Destroy target enchantment.

Draw a card.

Destroy target non-Spirit creature.

Destroy target artifact or enchantment if its mana value is less than or equal to the number of cards in your hand. Draw a card.

Target permanent's controller sacrifices it. If the player does, they reveal cards from the top of their library until they reveal a permanent card that shares a card type with the sacrificed permanent, put that card onto the battlefield, then shuffle. Splice onto Arcane {2}{U}{U} (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.)

If you control a Forest, each blocked creature gets +2/+2 until end of turn. Splice onto Arcane—An opponent gains 5 life. (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.)

Draw two cards, then discard a card. If you've cast a spell named Peer Through Depths and a spell named Reach Through Mists this turn, you may search your library for a card named The Unspeakable, put it onto the battlefield, then shuffle.

Create a 1/1 colorless Spirit creature token. Splice onto Arcane {W} (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.)

Target creature gets +X/+X until end of turn, where X is the number of lands you control.

You may tap or untap target permanent, then you may tap or untap another target permanent.

Target creature gets +4/+4 until end of turn. If it's a Spirit, it gains trample until end of turn.

Target creature gains shroud until end of turn and can't be blocked this turn. (A creature with shroud can't be the target of spells or abilities.) Splice onto Arcane—Return a blue creature you control to its owner's hand. (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.)

({T}: Add {G}.)

({T}: Add {U}.)

({T}: Add {R}.)

({T}: Add {W}.)

Destroy all enchantments.

Each player sacrifices a permanent of their choice.

As an additional cost to cast this spell, you may sacrifice any number of Spirits. Target player loses 2 life plus 2 life for each Spirit sacrificed this way. You gain that much life.

Search your library for an Arcane card, reveal that card, put it into your hand, then shuffle.

Draw three cards. Discard three cards at the beginning of the next end step.

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

Draw a card for each Spirit you control.

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