{3}, {T}: Draw a card.

Instant and sorcery spells cost {2} less to cast.

Arcane Sanctum enters the battlefield tapped.

{T}: Add {W}, {U}, or {B}.

{T}: Add one mana of any color in your commander's color identity.

Archway Commons enters the battlefield tapped.

When Archway Commons enters the battlefield, sacrifice it unless you pay {1}.

{T}: Add one mana of any color.

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

{2}, {T}, Remove a ki counter from Baku Altar: Create a 1/1 colorless Spirit creature token.

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.)

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.

Prevent the next 3 damage that would be dealt to any target this turn. You gain life equal to the damage prevented this way.

Splice onto Arcane {1}{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 opponent chooses a number. You may have that player lose that much life. If you don't, that player sacrifices all but that many permanents.

Whenever City of Brass becomes tapped, it deals 1 damage to you.

{T}: Add one mana of any color.

{T}: Add one mana of any color in your commander's color identity.

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.)

Choose a nonland card name. Search target player's graveyard, hand, and library for all cards with that name and exile them. Then that player shuffles.

Return X target creature cards from your graveyard to your hand.

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.)

Counter target spell, activated ability, or triggered ability. (Mana abilities can't be targeted.)

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

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

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.)

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.)

{T}: Add one mana of any color that a land an opponent controls could produce.

Whenever you cast a Spirit or Arcane spell, you may put a ki counter on Faithful Squire.

At the beginning of the end step, if there are two or more ki counters on Faithful Squire, you may flip it.

Flying

Remove a ki counter from Kaiso, Memory of Loyalty: Prevent all damage that would be dealt to target creature this turn.

Field of the Dead enters the battlefield tapped.

{T}: Add {C}.

Whenever Field of the Dead or another land enters the battlefield under your control, if you control seven or more lands with different names, create a 2/2 black Zombie creature token.

({T}: Add {G}.)

{T}: Choose a card name that hasn't been chosen from among Disenchant, Braingeyser, Terror, Shivan Dragon, Regrowth, and Black Lotus. Create a copy of the card with the chosen name. You may cast the copy. (You still pay its costs.)

Gateway Plaza enters the battlefield tapped.

When Gateway Plaza enters the battlefield, sacrifice it unless you pay {1}.

{T}: Add one mana of any color.

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.)

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

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

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

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

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

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

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.)

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

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.

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

Lava Spike deals 3 damage to target player or planeswalker.

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.)

Arcane spells you cast cost {1} less to cast.

Spirit creatures you control get +1/+1.

{T}, Pay 1 life: Add one mana of any color.

{T}: Add {C}.

{W}{U}, {T}, Exile a creature card from your graveyard: Create a 1/1 white Spirit creature token with flying.

({T}: Add {R}.)

({T}: Add {R}.)

When Nikko-Onna enters the battlefield, destroy target enchantment.

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

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.

Each time target permanent would deal damage to a permanent or player this turn, it deals double that damage to that permanent or player instead.

Splice onto Arcane {2}{R}{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.)

Flying

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

Path of Ancestry enters the battlefield tapped.

{T}: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell that shares a creature type with your commander, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

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.

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

{1}, Remove X ki counters from Petalmane Baku: Add X mana of any one color.

Look at the top three cards of your library. You may put those cards on the bottom of your library in any order. If you do, return Petals of Insight to its owner's hand. Otherwise, draw three cards.

({T}: Add {W}.)

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.

You have no maximum hand size.

{T}: Add {C}.

Destroy target non-Spirit creature.

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.)

Draw a card for each Spirit you control.

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.)

Rupture Spire enters the battlefield tapped.

When Rupture Spire enters the battlefield, sacrifice it unless you pay {1}.

{T}: Add one mana of any color.

You may change any targets of target Arcane 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.

Flying

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

({T}: Add {G}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {R}.)

({T}: Add {W}.)

({T}: Add {B}.)

{T}: Add {C}{C}.

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

Return target creature card from your graveyard to your hand.

Splice onto Arcane {1}{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.)

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.

Destroy target artifact or land.

Swallowing Plague deals X damage to target creature and you gain X life.

({T}: Add {B}.)

Flying

Whenever you cast a Spirit or Arcane spell, you may tap or untap target creature.

{T}: Add {C}{C}. Activate only if you control five or more lands.

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

Flying, trample

Whenever The Unspeakable deals combat damage to a player, you may return target Arcane card from your graveyard to your hand.

The World Tree enters the battlefield tapped.

{T}: Add {G}.

As long as you control six or more lands, lands you control have "{T}: Add one mana of any color."

{W}{W}{U}{U}{B}{B}{R}{R}{G}{G}, {T}, Sacrifice The World Tree: Search your library for any number of God cards, put them onto the battlefield, then shuffle.

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.)

Transguild Promenade enters the battlefield tapped.

When Transguild Promenade enters the battlefield, sacrifice it unless you pay {1}.

{T}: Add one mana of any color.

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

Target creature gains haste 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.)

You gain 3 life.

Splice onto Arcane {1}{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.)

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.

Destroy target artifact or enchantment.

Splice onto Arcane {3}{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.)

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.