{T}: Add {C}.

{T}: Add {W} or {U}. Adarkar Wastes deals 1 damage to you.

{T}: Add {W}.

{T}: Add {C}.

{1}, {T}: Until end of turn, creatures your opponents control lose hexproof and shroud and can't have hexproof or shroud.

{T}: Draw three cards.

{2}{U}{U}: Return Arcanis the Omnipotent to its owner's hand.

When Archaeomancer enters the battlefield, return target instant or sorcery card from your graveyard to your hand.

Tap an untapped Wizard you control: Draw a card.

Azorius Chancery enters the battlefield tapped.

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

{T}: Add {W}{U}.

{2}{W}: Tap target creature.

{2}{U}: Counter target activated ability. (Mana abilities can't be targeted.)

{1}, {T}: Add {W}{U}.

Double target player's life total. Shuffle Beacon of Immortality into its owner's library.

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

{T}: Add {C}.

{1}, {T}: Put a storage counter on Calciform Pools.

{1}, Remove X storage counters from Calciform Pools: Add X mana in any combination of {W} and/or {U}.

Buyback {3} (You may pay an additional {3} as you cast this spell. If you do, put this card into your hand as it resolves.)

Return target permanent to its owner's hand.

Celestial Colonnade enters the battlefield tapped.

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

{3}{W}{U}: Until end of turn, Celestial Colonnade becomes a 4/4 white and blue Elemental creature with flying and vigilance. It's still a land.

Until your next turn, creatures can't attack you. Exile Chronomantic Escape with three time counters on it.

Suspend 3--{2}{W} (Rather than cast this card from your hand, you may pay {2}{W} and exile it with three 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.)

You may have Clever Impersonator enter the battlefield as a copy of any nonland permanent on the battlefield.

Whenever another permanent you control becomes the target of a spell or ability an opponent controls, you may return that permanent to its owner's hand.

Prevent all damage that would be dealt to you and planeswalkers you control this turn by sources you don't control. If damage from a creature source is prevented this way, Comeuppance deals that much damage to that creature. If damage from a noncreature source is prevented this way, Comeuppance deals that much damage to the source's controller.

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

At the beginning of your end step, you may exile target creature you control, then return that card to the battlefield under your control.

Counter target spell.

Choose two --

• Counter target spell.

• Return target permanent to its owner's hand.

• Tap all creatures your opponents control.

• Draw a card.

Flying

Will of the council -- When Custodi Squire enters the battlefield, starting with you, each player votes for an artifact, creature, or enchantment card in your graveyard. Return each card with the most votes or tied for most votes to your hand.

Return target nonland permanent you don't control to its owner's hand.

Overload {6}{U} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Choose one --

• Prevent all combat damage that would be dealt this turn.

• Regenerate target creature.

• Counter target spell that targets you.

Soulbond (You may pair this creature with another unpaired creature when either enters the battlefield. They remain paired for as long as you control both of them.)

As long as Deadeye Navigator is paired with another creature, each of those creatures has "{1}{U}: Exile this creature, then return it to the battlefield under your control."

Counter target spell.

Draw a card.

({W/U} can be paid with either {W} or {U}.)

Whenever a player casts a noncreature spell, counter that spell. That player creates X 1/1 white and blue Bird creature tokens with flying, where X is the spell's mana value.

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

Buyback--Discard two cards. (You may discard two cards in addition to any other costs as you cast this spell. If you do, put this card into your hand as it resolves.)

Counter target spell.

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

Counter target spell.

Exile two target artifacts, creatures, and/or lands you control, then return those cards to the battlefield under your control.

Glacial Fortress enters the battlefield tapped unless you control a Plains or an Island.

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

Flying

{U}, Sacrifice Glen Elendra Archmage: Counter target noncreature spell.

Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

During your turn, your opponents can't cast spells or activate abilities of artifacts, creatures, or enchantments.

Guile can't be blocked except by three or more creatures.

If a spell or ability you control would counter a spell, instead exile that spell and you may play that card without paying its mana cost.

When Guile is put into a graveyard from anywhere, shuffle it into its owner's library.

Halimar Depths enters the battlefield tapped.

When Halimar Depths enters the battlefield, look at the top three cards of your library, then put them back in any order.

{T}: Add {U}.

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

As Hallowed Fountain enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

{T}: Look at the top X cards of your library, where X is the number of Wizards on the battlefield, then put them back in any order.

({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}.)

+1: Until your next turn, whenever a creature an opponent controls attacks, it gets -1/-0 until end of turn.

-2: Reveal the top three cards of your library. An opponent separates those cards into two piles. Put one pile into your hand and the other on the bottom of your library in any order.

-8: For each player, search that player's library for a nonland card and exile it, then that player shuffles. You may cast those cards without paying their mana costs.

When Kaho, Minamo Historian enters the battlefield, search your library for up to three instant cards, exile them, then shuffle.

{X}, {T}: You may cast a spell with mana value X from among cards exiled with Kaho without paying its mana cost.

+4: Target player exiles a card from their hand.

-3: Exile target permanent.

-14: Restart the game, leaving in exile all non-Aura permanent cards exiled with Karn Liberated. Then put those cards onto the battlefield under your control.

{T}: Add {C}.

{1}{W}, {T}: Prevent all combat damage that would be dealt by target attacking creature this turn.

At the beginning of your upkeep, if an opponent controls more lands than you, you may search your library for up to three basic land cards, reveal them, put them into your hand, then shuffle.

Search your library for a card, then shuffle and put that card third from the top.

Play with the top card of your library revealed.

You may play lands and cast spells from the top of your library.

Creatures without flying can't attack.

{T}: Add {U}.

{U}, {T}: Untap target legendary permanent.

{2}{W}{U}: Exile target creature. Return that card to the battlefield under its owner's control at the beginning of the next end step.

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.

Buyback {2} (You may pay an additional {2} as you cast this spell. If you do, put this card into your hand as it resolves.)

Scry 3. (Look at the top three cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

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

{T}: Add {C}.

{4}, {T}: Exile target attacking creature an opponent controls. At the beginning of the next end step, return it to the battlefield tapped under its owner's control.

New Benalia enters the battlefield tapped.

When New Benalia enters the battlefield, scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

{T}: Add {W}.

{T}: Add {C}.

{T}: Add {W}. Activate only if you control an Island.

{T}: Add {U}. Activate only if you control a Plains.

{T}: Add {C}.

{2}, {T}: Choose a color. Add an amount of mana of that color equal to your devotion to that color. (Your devotion to a color is the number of mana symbols of that color in the mana costs of permanents you control.)

Counter target spell.

At the beginning of your next upkeep, pay {3}{U}{U}. If you don't, you lose the game.

Flying

When Palinchron enters the battlefield, untap up to seven lands.

{2}{U}{U}: Return Palinchron to its owner's hand.

Tap an untapped Wizard you control: Counter target spell unless its controller pays {1}.

At the beginning of your upkeep, sacrifice Peacekeeper unless you pay {1}{W}.

Creatures can't attack.

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

Rasputin Dreamweaver enters the battlefield with seven dream counters on it.

Remove a dream counter from Rasputin: Add {C}.

Remove a dream counter from Rasputin: Prevent the next 1 damage that would be dealt to Rasputin this turn.

At the beginning of your upkeep, if Rasputin started the turn untapped, put a dream counter on it.

Rasputin can't have more than seven dream counters on it.

You have no maximum hand size.

{T}: Add {C}.

Flying

When Reveillark leaves the battlefield, return up to two target creature cards with power 2 or less from your graveyard to the battlefield.

Evoke {5}{W} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)

Ring of Three Wishes enters the battlefield with three wish counters on it.

{5}, {T}, Remove a wish counter from Ring of Three Wishes: Search your library for a card, put that card into your hand, then shuffle.

{T}: Add {C}.

{1}{U}, {T}: Return target Wizard you control to its owner's hand.

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

{1}, {T}: Exile any number of cards from your hand face down. Put that many cards from the top of your library into your hand. Then look at the exiled cards and put them on top of your library in any order.

{T}: Add {U}.

Flash

When Snapcaster Mage enters the battlefield, target instant or sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to its mana cost. (You may cast that card from your graveyard for its flashback cost. Then exile it.)

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

You gain X life and draw X cards.

Target player draws X cards.

Flash

Creature cards you own that aren't on the battlefield have flash.

Each opponent can cast spells only any time they could cast a sorcery.

+1: 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.

-1: Untap up to four target permanents.

-10: You get an emblem with "You may activate loyalty abilities of planeswalkers you control on any player's turn any time you could cast an instant."

Teferi, Temporal Archmage can be your commander.

Temple of Enlightenment enters the battlefield tapped.

When Temple of Enlightenment enters the battlefield, scry 1.

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

Thawing Glaciers enters the battlefield tapped.

{1}, {T}: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle. Return Thawing Glaciers to its owner's hand at the beginning of the next cleanup step.

{T}: Add {C}.

{2}, {T}: Thespian's Stage becomes a copy of target land, except it has this ability.

End the turn. (Exile all spells and abilities from the stack, including this card. The player whose turn it is discards down to their maximum hand size. Damage wears off, and "this turn" and "until end of turn" effects end.)

Tolaria West enters the battlefield tapped.

{T}: Add {U}.

Transmute {1}{U}{U} ({1}{U}{U}, Discard this card: Search your library for a card with mana value 0, reveal it, put it into your hand, then shuffle. Transmute only as a sorcery.)

When Trinket Mage enters the battlefield, you may search your library for an artifact card with mana value 1 or less, reveal that card, put it into your hand, then shuffle.

Flash (You may cast this spell any time you could cast an instant.)

When Vedalken Aethermage enters the battlefield, return target Sliver to its owner's hand.

Wizardcycling {3} ({3}, Discard this card: Search your library for a Wizard card, reveal it, put it into your hand, then shuffle.)

You have no maximum hand size.

At the beginning of your upkeep, you gain 1 life for each card in your hand.

Flash

When Venser, Shaper Savant enters the battlefield, return target spell or permanent to its owner's hand.

+2: Exile target permanent you own. Return it to the battlefield under your control at the beginning of the next end step.

-1: Creatures can't be blocked this turn.

-8: You get an emblem with "Whenever you cast a spell, exile target permanent."

Flash (You may cast this spell any time you could cast an instant.)

When Voidmage Husher enters the battlefield, counter target activated ability. (Mana abilities can't be targeted.)

Whenever you cast a spell, you may return Voidmage Husher to its owner's hand.