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

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

{W}{U}, {T}, Sacrifice Azorius Cluestone: Draw a card.

Azorius Guildgate enters the battlefield tapped.

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

{2}{W}: Tap target creature.

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

Azorius Herald can't be blocked.

When Azorius Herald enters the battlefield, you gain 4 life.

When Azorius Herald enters the battlefield, sacrifice it unless {U} was spent to cast it.

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

{W}{U}: Azorius Keyrune becomes a 2/2 white and blue Bird artifact creature with flying until end of turn.

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

{W/U}{W/U}{W/U}{W/U}, {T}, Sacrifice Azorius Locket: Draw two cards.

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

Enchant creature an opponent controls

Whenever enchanted creature becomes tapped, you draw a card.

Enchant creature

When Bitter Chill enters the battlefield, tap enchanted creature.

Enchanted creature doesn't untap during its controller's untap step.

When Bitter Chill is put into a graveyard from the battlefield, you may pay {1}. If you do, scry 1, then draw a card.

Tap target creature you don't control.

Overload {3}{U} (You may cast this spell for its overload cost. If you do, change its text by replacing all instances of "target" with "each.")

Tap all creatures your opponents control. Creatures you control gain lifelink until end of turn.

Draw a card for each tapped creature target opponent controls.

As Citadel Siege enters the battlefield, choose Khans or Dragons.

• Khans -- At the beginning of combat on your turn, put two +1/+1 counters on target creature you control.

• Dragons -- At the beginning of combat on each opponent's turn, tap target creature that player controls.

Coastal Tower enters the battlefield tapped.

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

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

Roll a d20.

1--9 | Tap all creatures your opponents control.

10--19 | Tap all creatures your opponents control. Those creatures don't untap during their controllers' next untap steps.

20 | Tap all creatures your opponents control. Those creatures don't untap during their controllers' next untap steps. Until your next turn, creatures your opponents control enter the battlefield tapped.

Counter target spell.

Whenever another white creature enters the battlefield under your control, tap target creature an opponent controls.

Tap target creature. It doesn't untap during its controller's next untap step.

Draw a card.

Choose two --

• Counter target spell.

• Return target permanent to its owner's hand.

• Tap all creatures your opponents control.

• Draw a card.

Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.)

Creatures you control have "Whenever one or more counters are put on this creature for the first time each turn, draw a card."

Tap all creatures without flying.

Tap target creature.

Draw a card.

---

Create two 1/1 colorless Thopter artifact creature tokens with flying, then you gain 1 life for each creature you control.

Flying

At the beginning of combat on your turn, choose up to one --

• Tap target creature.

• Target creature doesn't untap during its controller's next untap step.

{1}{U}, {T}: Tap target creature.

Whenever Elvish Mariner attacks, scry 1.

Whenever you scry, tap up to X target nonland permanents, where X is the number of cards looked at while scrying this way.

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

Tap all creatures.

Tap target creature an opponent controls and put three stun counters on it. Scry 2. (If a permanent with a stun counter would become untapped, remove one from it instead.)

Tap up to two target creatures. Those creatures don't untap during their controller's next untap step.

{2}{W}, {T}: Tap target creature.

When Gadwick, the Wizened enters the battlefield, draw X cards.

Whenever you cast a blue spell, tap target nonland permanent an opponent controls.

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

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

Enchant creature

When Glaring Aegis enters the battlefield, tap target creature an opponent controls.

Enchanted creature gets +1/+3.

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

{W}, {T}: Tap target creature.

Whenever you tap an untapped creature an opponent controls, you may pay {1}. When you do, choose one --

• Create a 4/4 white and blue Elemental creature token.

• Put a +1/+1 counter on each creature you control.

• Scry 2, then draw a card.

{1}, {T}: Tap target creature. This ability costs {1} less to activate during your turn.

{3}, Sacrifice Hylda's Crown of Winter: Draw a card for each tapped creature your opponents control.

You may choose not to untap Ice Floe during your untap step.

{T}: Tap target creature without flying that's attacking you. It doesn't untap during its controller's untap step for as long as Ice Floe remains tapped.

Flying

When Icefall Regent enters the battlefield, tap target creature an opponent controls. That creature doesn't untap during its controller's untap step for as long as you control Icefall Regent.

Spells your opponents cast that target Icefall Regent cost {2} more to cast.

Vigilance

Whenever Icewrought Sentry attacks, you may pay {1}{U}. When you do, tap target creature an opponent controls.

Whenever you tap an untapped creature an opponent controls, Icewrought Sentry gets +2/+1 until end of turn.

Tap X target creatures.

Ferocious -- If you control a creature with power 4 or greater, those creatures don't untap during their controllers' next untap steps.

Vigilance

When Intrusive Packbeast enters the battlefield, tap up to two target creatures your opponents control.

({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}.)

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.)

Equip {0}

{T}: Add {C}.

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

Flying

Whenever Niblis of the Urn attacks, you may tap target creature.

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

Tap up to one target creature. Scry 1, then draw a card.

Whenever you cast a noncreature spell, you may pay {1}. If you do, tap target creature an opponent controls and it doesn't untap during its controller's next untap step.

Landfall -- Whenever a land enters the battlefield under your control, choose one --

• You may tap or untap target creature.

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

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

Flash

Cone of Cold -- When Scion of Stygia enters the battlefield, choose target creature an opponent controls, then roll a d20.

1--9 | Tap that creature.

10--20 | Tap that creature. It doesn't untap during its controller's next untap step.

When Sharae of Numbing Depths enters the battlefield, tap target creature an opponent controls and put a stun counter on it. (If a permanent with a stun counter would become untapped, remove one from it instead.)

Whenever you tap one or more untapped creatures your opponents control, draw a card. This ability triggers only once each turn.

Tap all creatures target player controls. Those creatures don't untap during that player's next untap step.

When Solitary Sanctuary enters the battlefield, tap target creature an opponent controls and put a stun counter on it. (If a permanent with a stun counter would become untapped, remove one from it instead.)

Whenever you tap an untapped creature an opponent controls, put a +1/+1 counter on target creature you control.

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

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

Flying

When Subjugator Angel enters the battlefield, tap all creatures your opponents control.

Tap one or two target creatures an opponent controls. Put a stun counter on each of them. (If a permanent with a stun counter would become untapped, remove one from it instead.)

This spell can't be countered.

Destroy all creatures.

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control.)

Equip {1}

Counter target activated ability, triggered ability, or legendary spell.

When Tempest Caller enters the battlefield, tap all creatures target opponent controls.

First strike

Creatures and nonbasic lands your opponents control enter the battlefield tapped.

Tap all creatures your opponents control and untap all creatures you control.

Flying

Morph {5}{U}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

When Thousand Winds is turned face up, return all other tapped creatures to their owners' hands.

{2}, {T}: Choose one that hasn't been chosen --

• Three Bowls of Porridge deals 2 damage to target creature.

• Tap target creature.

• Sacrifice Three Bowls of Porridge. You gain 3 life.

Partner with Rhoda, Geist Avenger (When this creature enters the battlefield, target player may put Rhoda into their hand from their library, then shuffle.)

Flying

At the beginning of each combat, tap up to one target creature.

Flying

When Topplegeist enters the battlefield, tap target creature an opponent controls.

Delirium -- At the beginning of each opponent's upkeep, if there are four or more card types among cards in your graveyard, tap target creature that player controls.

Return target creature to its owner's hand.

Whenever a creature an opponent controls becomes tapped, if it isn't being declared as an attacker, you may draw a card.

{4}{U}: Tap target creature without flying.

Choose one --

• Distract the Guard -- Tap target creature.

• Hide -- Target creature you control gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)