{U}, Sacrifice Aether Spellbomb: Return target creature to its owner's hand.

{1}, Sacrifice Aether Spellbomb: Draw a card.

Counter target noncreature spell. Its controller creates two Treasure tokens. (They're artifacts with "{T}, Sacrifice this artifact: Add one mana of any color.")

Suspend 4--{U} (Rather than cast this card from your hand, pay {U} and exile it with four time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, cast it without paying its mana cost.)

Target player draws three cards.

Counter target artifact or enchantment spell.

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

Magecraft -- Whenever you cast or copy an instant or sorcery spell, draw a card.

({S} can be paid with one mana from a snow source.)

When Arcum's Astrolabe enters the battlefield, draw a card.

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

{T}: Add {C}.

Basic landcycling {1} ({1}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

Destroy all creatures. Lands you control don't untap during your next untap step.

Draw four cards.

Cycling {1} ({1}, Discard this card: Draw a card.)

Draw three cards, then put two cards from your hand on top of your library in any order.

Draw two cards, then discard two cards.

Target creature becomes blue until end of turn. Untap that creature.

Draw a card.

Target creature gets -4/-0 until end of turn. If you control a Wizard, draw a card.

{1}, {T}, Sacrifice Chromatic Star: Add one mana of any color.

When Chromatic Star is put into a graveyard from the battlefield, draw a card.

Look at target player's hand.

Draw a card at the beginning of the next turn's upkeep.

Target player shuffles their graveyard into their library.

Draw a card.

{T}: Target player mills a card. (They put the top card of their library into their graveyard.)

{5}, {T}, Sacrifice Codex Shredder: Return target card from your graveyard to your hand.

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

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

Sacrifice Commander's Sphere: Draw a card.

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

Draw a card.

{U}, {T}: Each player reveals the top card of their library. You may put the revealed cards into their owners' graveyards. If you don't, each player draws a card.

All nonsnow creatures get -X/-X until end of turn, where X is the number of snow permanents you control.

Return all nonland permanents to their owners' hands.

Miracle {1}{U} (You may cast this card for its miracle cost when you draw it if it's the first card you drew this turn.)

Dimir Aqueduct enters the battlefield tapped.

When Dimir Aqueduct enters the battlefield, return a land you control to its owner's hand.

{T}: Add {U}{B}.

Counter target instant spell.

{T}: Add {C}.

{1}, {T}: Put a storage counter on Dreadship Reef.

{1}, Remove X storage counters from Dreadship Reef: Add X mana in any combination of {U} and/or {B}.

{2}, {T}: You gain 5 life. Shuffle Elixir of Immortality and your graveyard into their owner's library.

{2}, {T}, Sacrifice Expedition Map: Search your library for a land card, reveal it, put it into your hand, then shuffle.

Target creature gets -1/-0 until end of turn.

Draw a card.

You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.

Counter target spell.

This spell costs {1} less to cast if an opponent controls no basic lands.

Destroy target creature.

Hagra Broodpit enters the battlefield tapped.

{T}: Add {B}.

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

({T}: Add {U} or {B}.)

Ice Tunnel enters the battlefield tapped.

{U}, {T}: Each player discards their hand, then draws cards equal to the greatest number of cards a player discarded this way.

Counter target spell unless its controller pays {1}.

Jwari Ruins enters the battlefield tapped.

{T}: Add {U}.

Players play with the top card of their libraries revealed.

{T}, Sacrifice Lantern of Insight: Target player shuffles.

Target creature gains flying until end of turn.

Draw a card.

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

Search your library for any number of land cards, exile them, then shuffle.

Mana Vault doesn't untap during your untap step.

At the beginning of your upkeep, you may pay {4}. If you do, untap Mana Vault.

At the beginning of your draw step, if Mana Vault is tapped, it deals 1 damage to you.

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

({T}: Add {U}.)

Moonring Island enters the battlefield tapped.

{U}, {T}: Look at the top card of target player's library. Activate only if you control two or more blue permanents.

+2: Draw two cards, then put a card from your hand on the bottom of your library.

-2: Create a blue Dog Illusion creature token with "This creature's power and toughness are each equal to twice the number of cards in your hand."

-10: Exchange your hand and library, then shuffle. You get an emblem with "You have no maximum hand size."

Morphic Pool enters the battlefield tapped unless you have two or more opponents.

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

Myriad Landscape enters the battlefield tapped.

{T}: Add {C}.

{2}, {T}, Sacrifice Myriad Landscape: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.

Cumulative upkeep {1} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

Whenever an opponent casts a noncreature spell, you may draw a card unless that player pays {4}.

({T}: Add {U}.)

Mystic Sanctuary enters the battlefield tapped unless you control three or more other Islands.

When Mystic Sanctuary enters the battlefield untapped, you may put target instant or sorcery card from your graveyard on top of your library.

Search your library for an instant or sorcery card, reveal it, then shuffle and put that card on top.

Flying

{2}, Return a land you control to its owner's hand: Untap target land.

You may cast spells from your hand without paying their mana costs.

Scry 1.

Draw a card.

Flying

{T}: Add one mana of any color.

Look at target player's hand.

Draw a card.

{T}, Pay 1 life, Sacrifice Polluted Delta: Search your library for an Island or Swamp card, put it onto the battlefield, then shuffle.

Look at the top three cards of your library, then put them back in any order. You may shuffle.

Draw a card.

Destroy target creature. It can't be regenerated. Its controller creates a 3/3 green Ape creature token.

Port of Karfell enters the battlefield tapped.

{T}: Add {U}.

{3}{U}{B}{B}, {T}, Sacrifice Port of Karfell: Mill four cards, then return a creature card from your graveyard to the battlefield tapped. (To mill a card, put the top card of your library into your graveyard.)

Scry 2, then draw a card. (To scry 2, look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)

{T}: Add {U}.

Magecraft -- Whenever you cast or copy an instant or sorcery spell, each opponent loses 2 life and you gain 2 life.

+1: You lose 1 life. Look at the top three cards of your library. Put one of them into your hand and the rest into your graveyard.

-3: Each opponent sacrifices a creature with the greatest power among creatures that player controls.

-8: Each opponent may discard a card. If they don't, they lose 3 life. Repeat this process six more times.

The next sorcery spell you cast this turn can be cast as though it had flash. (It can be cast any time you could cast an instant.)

Draw a card.

You have no maximum hand size.

{T}: Add {C}.

Return target nonland permanent with mana value X to its owner's hand.

Draw a card.

Create a tapped 2/2 black Zombie creature token for each instant and sorcery card in your graveyard.

Choose two target players. Each of them searches their library for a card, then shuffles and puts that card on top.

Draw cards equal to the number of cards in your hand plus one. You have no maximum hand size for the rest of the game.

As Sea Gate, Reborn enters the battlefield, you may pay 3 life. If you don't, it enters the battlefield tapped.

{T}: Add {U}.

Search your library for any number of nonland cards, exile them, then shuffle.

{1}: Look at the top three cards of your library, then put them back in any order.

{T}: Draw a card, then put Sensei's Divining Top on top of its owner's library.

Target creature gains shadow until end of turn. (It can block or be blocked by only creatures with shadow.)

Draw a card.

Shipwreck Marsh enters the battlefield tapped unless you control two or more other lands.

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

Each player may put an artifact, creature, enchantment, or land card from their hand onto the battlefield.

Look at the top six 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 a random order.

Silundi Isle enters the battlefield tapped.

{T}: Add {U}.

Look at the top two cards of your library. Put one of them into your hand and the other on the bottom of your library.

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

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

Look at target opponent's hand.

Draw a card.

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

Target creature gets -4/-0 until end of turn. If you control a Wizard, draw a card.

Counter target noncreature spell unless its controller pays {1}.

Ferocious -- If you control a creature with power 4 or greater, counter that spell instead.

Exile target creature and put two time counters on it. If it doesn't have suspend, it gains suspend. (At the beginning of its owner's upkeep, they remove a time counter. When the last is removed, they play it without paying its mana cost. If it's a creature, it has haste.)

{T}: Add {C}.

{T}: Add {U} or {B}. Activate only if you control a Swamp.

Whenever you cast an instant or sorcery spell, create a 2/2 blue Drake creature token with flying.

Target player loses 2 life and you gain 2 life.

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

Target player mills two cards.

Draw a card.

Target player takes an extra turn after this one.

Switch target creature's power and toughness until end of turn.

Draw a card.

Search your library for a card, then shuffle and put that card on top. You lose 2 life.

{2}, {T}, Sacrifice Wayfarer's Bauble: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

If an opponent had two or more creatures enter the battlefield under their control this turn, you may pay {U} rather than pay this spell's mana cost.

Return two target creatures to their owners' hands.

(Gain the next level as a sorcery to add its ability.)

You have no maximum hand size.

{2}{U}: Level 2

When this Class becomes level 2, draw two cards.

{4}{U}: Level 3

Whenever you draw a card, put a +1/+1 counter on target creature you control.