{T}: Add {C}. {4}: Put two +1/+1 counters on this land. Then you may have it become a 0/0 Elemental creature until end of turn. It's still a land.

{T}: Add {C}. {5}, {T}, Sacrifice this land: Create two 1/1 colorless Thopter artifact creature tokens with flying.

({T}: Add {U}.)

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

This artifact enters tapped. {T}: Add {C}. {2}: This artifact becomes a 2/2 Golem artifact creature until end of turn.

As this artifact enters, choose a color. Creatures you control of the chosen color get +1/+0. {T}: Add one mana of the chosen color.

{T}: Add {C}. {1}, {T}, Sacrifice this artifact: Draw a card.

{T}, Sacrifice this artifact: Choose up to seven face-up exiled cards you own. Exile all the cards from your library, then put the chosen cards on top of your library.

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

{2}{U}, {T}: Put target creature on the bottom of its owner's library. That creature's controller reveals cards from the top of their library until they reveal a creature card. The player puts that card onto the battlefield and the rest on the bottom of their library in any order. Activate only as a sorcery.

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

Magecraft — Whenever you cast or copy an instant or sorcery spell, create a 0/0 green and blue Fractal creature token. Put X +1/+1 counters on it, where X is that spell's mana value. {3}{U}: Target creature token can't be blocked this turn.

Whenever you cast an instant or sorcery spell, create a 1/1 blue Bird Illusion creature token with flying.

Draw four cards, then choose X cards in your hand and discard the rest.

Surveil 5. (Look at the top five cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

Return target instant or sorcery card from your graveyard to your hand. Exile Flood of Recollection.

Target player mills X cards. If this spell was cast from a graveyard, that player mills twice that many cards instead. Flashback {X}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Destroy target creature. It can't be regenerated. Its controller reveals cards from the top of their library until they reveal a creature card. The player puts that card onto the battlefield, then shuffles all other cards revealed this way into their library.

Target player mills four cards. You shuffle up to four cards from your graveyard into your library. Replicate {2}{U}{U} (When you cast this spell, copy it for each time you paid its replicate cost. You may choose new targets for the copies.)

Target player mills four cards. Escape—{3}{U}, Exile four other cards from your graveyard. (You may cast this card from your graveyard for its escape cost.)

Target player takes an extra turn after this one.

Target player mills five cards.

Target player mills half their library, rounded down.

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.) Draw three cards.

Buyback—Sacrifice three Islands. (You may sacrifice three Islands in addition to any other costs as you cast this spell. If you do, put this card into your hand as it resolves.) Target player takes an extra turn after this one.

Enchant land Whenever enchanted land becomes tapped, its controller mills three cards.

When this enchantment enters, you become the monarch. At the beginning of your upkeep, any number of target players each mill two cards. If you're the monarch, each of those players mills ten cards instead. (To mill a card, a player puts the top card of their library into their graveyard.)

Enchant player At the beginning of enchanted player's upkeep, that player reveals cards from the top of their library until they reveal a creature card. Put that card onto the battlefield under your control. That player puts the rest of the revealed cards into their graveyard.

Whenever you cast a blue spell, target player mills two cards.

Target player mills three cards. Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)

Surveil 1. (Look at the top card of your library. You may put it into your graveyard.) Draw a card.

Target player mills three cards. Flashback {1}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Choose one. If you control a commander as you cast this spell, you may choose both instead. • Target player draws X cards. • Target player mills twice X cards.

Reveal the top X plus one cards of your library and separate them into two piles. An opponent chooses one of those piles. Put that pile into your hand and the other into your graveyard.

X can't be 0. Target spell's controller exiles it with X delay counters on it. At the beginning of each of that player's upkeeps, if that card is exiled, remove a delay counter from it. If the card has no delay counters on it, the player puts it onto the stack as a copy of the original spell.

Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.) Return target nonland permanent to its owner's hand. If you have the city's blessing, you may put that permanent on top of its owner's library instead.

Reveal the top five cards of your library. An opponent separates those cards into two piles. Put one pile into your hand and the other into your graveyard.

Mill seven cards. At the beginning of the next end step, exile seven cards from your graveyard.

Create a token that's a copy of target creature you control. If it's your turn, scry 2.

Until end of turn, whenever a player taps an Island for mana, that player adds an additional {U}.

Choose one — • Counter target spell. • You may choose new targets for target spell. • Copy target instant or sorcery spell. You may choose new targets for the copy.

Target player shuffles their graveyard into their library. Draw a card.

Mill two cards. Draw a card.

Surveil 2, then choose an instant or sorcery card in your graveyard. You may cast it this turn. If that spell would be put into your graveyard, exile it instead. (To surveil 2, look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

Copy target instant or sorcery spell, then return it to its owner's hand. You may choose new targets for the copy.

Draw X cards. For each card drawn this way, discard a card unless you sacrifice a permanent.

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.)

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.) Return target nonland permanent you control and target nonland permanent you don't control to their owners' hands.

Return target creature to its owner's hand. Untap up to two lands.

Target player shuffles up to four target cards from their graveyard into their library.

Target player mills two cards. Draw a card.

Copy target instant or sorcery spell. You may choose new targets for the copy.

Return target spell or creature to its owner's hand.

Choose one — • Target player mills four cards. • Choose a land type and a basic land type. Each land of the first chosen type becomes the second chosen type until end of turn. • Target artifact phases out. (While it's phased out, it's treated as though it doesn't exist. It phases in before its controller untaps during their next untap step.)

Draw a card. If a graveyard has twenty or more cards in it, draw three cards instead.