Counter target artifact or enchantment spell.

Return target permanent to its owner's hand.

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

Counter target spell.

As Cavern of Souls enters the battlefield, choose a creature type.

{T}: Add {C}.

{T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type, and that spell can't be countered.

Look at target player's hand.

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

You may exile two blue cards from your hand rather than pay this spell's mana cost.

Gain control of target noncreature spell. You may choose new targets for it. (If that spell is an artifact, enchantment, or planeswalker, the permanent enters 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.

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.")

You may return an Island you control to its owner's hand rather than pay this spell's mana cost.

Counter target spell unless its controller pays {1}.

Counter target spell. If the spell is countered this way, exile it with three time counters on it instead of putting it into its owner's graveyard. If it doesn't have suspend, it gains suspend. (At the beginning of its owner's upkeep, remove a time counter from that card. When the last is removed, the player plays it without paying its mana cost. If it's a creature, it has haste.)

Counter target instant spell.

Counter target instant or sorcery spell unless its controller pays {1}.

Draw a card.

Counter target spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.

Counter target spell. Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

Change the target of target spell with a single target unless that spell's controller pays {2}.

Return target nonland permanent and all other permanents with the same name as that permanent to their owners' hands.

Nonland permanents don't untap during their controllers' untap steps.

At the beginning of your upkeep, you lose 2 life.

Counter target creature spell.

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.

Counter target spell unless its controller pays {1}.

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

Counter target spell.

{T}: Add {C}.

{T}, Sacrifice Ghost Quarter: Destroy target land. Its controller may search their library for a basic land card, put it onto the battlefield, then shuffle.

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

Look at target player's hand.

Draw a card.

You may return two Islands you control to their owner's hand rather than pay this spell's mana cost.

Draw two cards.

Counter target spell. If that spell is countered this way, put that card on the top or bottom of its owner's library instead of into that player's graveyard.

Look at the top four cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.

Kicker {1}{U} (You may pay an additional {1}{U} as you cast this spell.)

Return target nonland permanent to its owner's hand. If this spell was kicked, 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}.)

({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}.)

({T}: Add {U}.)

({T}: Add {U}.)

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

Counter target spell unless its controller pays {X}.

Counter target spell unless its controller pays {3}.

Counter target spell. If that spell is countered this way, put it on top of its owner's library instead of into that player's graveyard.

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

Counter target spell with mana value 1.

Search your library for a blue instant card, reveal that card, put it into your hand, then shuffle.

Counter target spell unless its controller pays {2}.

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

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

Change the target of target spell with a single target.

Counter target instant or sorcery spell.

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

Reveal the top three cards of your library. An opponent chooses one of them. Put that card into your graveyard and the rest into your hand.

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

Counter target noncreature spell.

Choose left or right. Starting with you and proceeding in the chosen direction, each player chooses a creature controlled by the next player in that direction. Each player gains control of the creature they chose.

Counter target spell.

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

Look at target player's hand.

Draw a card.

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.

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.

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.)

Destroy target creature. It can't be regenerated. That creature's controller creates a 3/3 green Frog Lizard creature token.

Draw a card.

You may choose new targets for target spell.

Counter target spell. If that spell is countered this way, put it into its owner's hand instead of into that player's graveyard.

Draw a card.

Counter target creature spell.

Return target creature to its owner's hand.

Draw a card.

Counter target spell unless its controller pays {2} plus an additional {2} for each card named Rune Snag in each graveyard.

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

Draw a card. Scry 2.

Sky Diamond enters the battlefield tapped.

{T}: Add {U}.

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

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

Return target creature to its owner's hand.

Counter target noncreature spell unless its controller pays {2}.

Counter target spell with mana value 2.

When a player casts a spell, sacrifice Standstill. If you do, each of that player's opponents draws three cards.

Choose one --

• Counter target artifact spell.

• Return target artifact to its owner's hand.

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

Counter target enchantment, instant, or sorcery spell. Its controller creates a 2/2 blue Bird creature token with flying.

{T}: Add {C}.

{1}, {T}, Sacrifice Tectonic Edge: Destroy target nonbasic land. Activate only if an opponent controls four or more lands.

Take an extra turn after this one. Exile Temporal Mastery.

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.)

Draw a card.

Flashback {2}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Target player takes an extra turn after this one.

{T}: Add {C}.

{1}, {T}: Target creature gains protection from artifacts until end of turn.

Return target creature to its owner's hand.

{T}: Add {C}.

{T}, Sacrifice Wasteland: Destroy target nonbasic land.

Buyback {5} (You may pay an additional {5} as you cast this spell. If you do, put this card into your hand as it resolves.)

Draw a card.