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

Coldsteel Heart enters the battlefield tapped. As Coldsteel Heart enters the battlefield, choose a color. {T}: Add one mana of the chosen color.

{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.

{S}, {T}: Tap target artifact or creature. ({S} can be paid with one mana from a snow source.)

{1}, {T}: Tap target artifact, creature, or land.

Imprint — When Isochron Scepter enters the battlefield, you may exile an instant card with mana value 2 or less from your hand. {2}, {T}: You may copy the exiled card. If you do, you may cast the copy without paying its mana cost.

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

{T}: Tap target creature. Whenever you cast a white spell, you may untap Ballynock Trapper.

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

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.

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.

{T}: You may tap or untap another target permanent. Unearth {U} ({U}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

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.

{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.

Whenever a creature an opponent controls becomes tapped, put a +1/+1 counter on Gideon's Avenger.

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

Flash Flying Psychic Defense — When Githzerai Monk enters the battlefield, tap all creatures you don't control.

{T}: Add {W}.

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

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.

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.

Flying, vigilance When Icingdeath, Frost Tyrant dies, create Icingdeath, Frost Tongue, a legendary white Equipment artifact token with "Equipped creature gets +2/+0," "Whenever equipped creature attacks, tap target creature defending player controls," and equip {2}.

Affinity for tokens (This spell costs {1} less to cast for each token you control.) Whenever a token enters the battlefield under your control, tap target nonland permanent an opponent controls. It doesn't untap during its controller's next untap step.

({W/U} can be paid with either {W} or {U}.) {T}: Tap target creature.

Flying Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) Whenever you cast an instant or sorcery spell, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step.

Partner with Timin, Youthful Geist (When this creature enters the battlefield, target player may put Timin into their hand from their library, then shuffle.) Vigilance Whenever a creature an opponent controls becomes tapped, if it isn't being declared as an attacker, put a +1/+1 counter on Rhoda, Geist Avenger.

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.

{T}: Add {U}.

Flying When Sunblast Angel enters the battlefield, destroy all tapped creatures.

Sunstrike Legionnaire doesn't untap during your untap step. Whenever another creature enters the battlefield, untap Sunstrike Legionnaire. {T}: Tap target creature with mana value 3 or less.

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

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.

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.

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.

Enchant creature At the beginning of each upkeep, tap enchanted creature.

Tap an untapped creature you control: Tap target artifact, creature, or land.

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.)

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.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I, II — Tap target creature an opponent controls. It doesn't untap during its controller's untap step for as long as you control Time of Ice. III — Return all tapped creatures to their owners' hands.

Tap target creature you don't control. Overload {3}{U} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

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.

Tap all creatures without flying.

Tap up to three target creatures.

Replicate {U} (When you cast this spell, copy it for each time you paid its replicate cost. You may choose new targets for the copies.) Tap target permanent.

Tap X target nonland permanents.

Tap target creature. Scry 1. Draw a card.

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.

Target creature becomes white until end of turn. Tap that creature. Draw a card.

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

Draw two cards.

Kicker {1}{U} (You may pay an additional {1}{U} as you cast this spell.) Tap up to two target creatures. If this spell was kicked, put a stun counter on each of those creatures. (If a permanent with a stun counter would become untapped, remove one from it instead.) Draw a card.

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.)

Secret council — Each player secretly votes for a creature you don't control, then those votes are revealed. For each creature with one or more votes, put that many stun counters on it, then tap it. (If a permanent with a stun counter would become untapped, remove one from it instead.)

Choose one — • Counter target spell. • Tap up to two target creatures.

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}.

({T}: Add {U}.)

Tap all nonwhite creatures.

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

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.

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 target creature an opponent controls. That creature doesn't untap during its controller's next untap step. Cipher (Then you may exile this spell card encoded on a creature you control. Whenever that creature deals combat damage to a player, its controller may cast a copy of the encoded card without paying its mana cost.)

You may tap or untap target permanent, then you may tap or untap another target permanent. Cipher (Then you may exile this spell card encoded on a creature you control. Whenever that creature deals combat damage to a player, its controller may cast a copy of the encoded card without paying its mana cost.)

Tap target creature and put three stun counters on it. (If a permanent with a stun counter would become untapped, remove one from it instead.) Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

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

Kicker {U} (You may pay an additional {U} as you cast this spell.) Destroy target tapped creature. If this spell was kicked, scry 2.

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