Counter target spell. You gain 3 life.

Counter target artifact or enchantment spell.

Flying

Whenever Archon of the Triumvirate attacks, detain up to two target nonland permanents your opponents control. (Until your next turn, those permanents can't attack or block and their activated abilities can't be activated.)

{T}, Pay 1 life, Sacrifice Arid Mesa: Search your library for a Mountain or Plains card, put it onto the battlefield, then shuffle.

Target player takes an extra turn after this one. Shuffle Beacon of Tomorrows into its owner's library.

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

Choose one --

• Destroy target artifact.

• Destroy target enchantment.

• Exile target card from a graveyard.

Reinforce 1--{W} ({W}, Discard this card: Put a +1/+1 counter on target creature.)

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

Put target attacking creature on the bottom of its owner's library. Its controller gains life equal to its toughness.

When Contagion Clasp enters the battlefield, put a -1/-1 counter on target creature.

{4}, {T}: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Draw a card.

Counter target spell. You may cast a spell that shares a card type with it from your hand without paying its mana cost.

Counter target spell.

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

Counter target instant spell.

Your opponents can't cast spells from anywhere other than their hands.

If you control a commander, you may cast this spell without paying its mana cost.

Counter target noncreature spell.

{T}, Pay 1 life, Sacrifice Flooded Strand: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle.

Whenever you cast a noncreature spell, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

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

Counter target spell.

Whenever Frost Titan becomes the target of a spell or ability an opponent controls, counter that spell or ability unless its controller pays {2}.

Whenever Frost Titan enters the battlefield or attacks, tap target permanent. It doesn't untap during its controller's next untap step.

Counter target spell, then proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

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

Glacial Floodplain enters the battlefield tapped.

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

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

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

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

Spells your opponents cast cost {1} more to cast.

Flying

Whenever Grateful Apparition deals combat damage to a player or planeswalker, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Flying

Whenever Guildpact Informant deals combat damage to a player or planeswalker, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

({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.

Whenever you cast a spell, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

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

Irrigated Farmland enters the battlefield tapped.

Cycling {2} ({2}, Discard this card: Draw a card.)

({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 {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

+2: Each player draws a card.

-1: Target player draws a card.

-10: Target player mills twenty cards.

+2: Look at the top card of target player's library. You may put that card on the bottom of that player's library.

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

-1: Return target creature to its owner's hand.

-12: Exile all cards from target player's library, then that player shuffles their hand into their library.

{T}: Add {C}.

{4}, {T}: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

If Leyline of Anticipation is in your opening hand, you may begin the game with it on the battlefield.

You may cast spells as though they had flash.

If Leyline of Sanctity is in your opening hand, you may begin the game with it on the battlefield.

You have hexproof. (You can't be the target of spells or abilities your opponents control.)

At the beginning of your upkeep, flip a coin. If you lose the flip, Mana Crypt deals 3 damage to you.

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

Counter target spell. At the beginning of your next main phase, add an amount of {C} equal to that spell's mana value.

{T}, Pay 1 life, Sacrifice Marsh Flats: Search your library for a Plains or Swamp card, put it onto the battlefield, then shuffle.

When Martyr for the Cause dies, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Flying

Whenever Master of Predicaments deals combat damage to a player, choose a card in your hand. That player guesses whether the card's mana value is greater than 4. If the player guessed wrong, you may cast the card without paying its mana cost.

As Meddling Mage enters the battlefield, choose a nonland card name.

Spells with the chosen name can't be cast.

Flying

Whenever Medomai the Ageless deals combat damage to a player, take an extra turn after this one.

Medomai the Ageless can't attack during extra turns.

({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.

Counter target noncreature spell.

Take an extra turn after this one.

If Nexus of Fate would be put into a graveyard from anywhere, reveal Nexus of Fate and shuffle it into its owner's library instead.

When Oblivion Ring enters the battlefield, exile another target nonland permanent.

When Oblivion Ring leaves the battlefield, return the exiled card to the battlefield under its owner's control.

Take an extra turn after this one. Exile Part the Waterveil.

Awaken 6--{6}{U}{U}{U} (If you cast this spell for {6}{U}{U}{U}, also put six +1/+1 counters on target land you control and it becomes a 0/0 Elemental creature with haste. It's still a land.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

Will of the council -- Starting with you, each player votes for time or knowledge. If time gets more votes, take an extra turn after this one. If knowledge gets more votes or the vote is tied, draw three cards.

{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.

As Port Town enters the battlefield, you may reveal a Plains or Island card from your hand. If you don't, Port Town enters the battlefield tapped.

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

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.)

Flying

Whenever you cast a noncreature spell, untap Pristine Skywise. It gains protection from the color of your choice until end of turn.

{T}: Add one mana of any type that a land you control could produce.

Whenever an opponent casts a spell, you may draw a card unless that player pays {1}.

Take an extra turn after this one. Skip the untap step of that turn.

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

Whenever an opponent draws a card, that player may pay {2}. If the player doesn't, you create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

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

Flying

Whenever Sphinx Ambassador deals combat damage to a player, search that player's library for a card, then that player chooses a card name. If you searched for a creature card that doesn't have that name, you may put it onto the battlefield under your control. Then that player shuffles.

Flying

At the beginning of your postcombat main phase, there is an additional beginning phase after this phase. (The beginning phase includes the untap, upkeep, and draw steps.)

Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Draw a card.

Exile target creature. Its controller gains life equal to its power.

You may activate loyalty abilities of Teferi, Master of Time on any player's turn any time you could cast an instant.

+1: Draw a card, then discard a card.

-3: Target creature you don't control phases out. (Treat it and anything attached to it as though they don't exist until its controller's next turn.)

-10: Take two extra turns after this one.

+2: Untap up to one target artifact or creature.

-3: You gain 2 life and draw two cards.

-9: Take an extra turn after this one.

Take an extra turn after this one.

({U/P} can be paid with either {U} or 2 life.)

Draw two cards, then proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Flying

Whenever Thrummingbird deals combat damage to a player, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Flying

Whenever you cast a spell, return target permanent to its owner's hand.

Target player takes an extra turn after this one.

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

Choose one --

• Put a +1/+1 counter on each of up to two target creatures.

• Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Entwine {3}{W} (Choose both if you pay the entwine cost.)

You have no maximum hand size.

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

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.

Exile target creature, then proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

{T}, Pay 1 life, Sacrifice Windswept Heath: Search your library for a Forest or Plains card, put it onto the battlefield, then shuffle.