Adarkar Valkyrie
Flying, vigilance
{T}: When target creature other than Adarkar Valkyrie dies this turn, return that card to the battlefield under your control.
She doesn't escort the dead to the afterlife, but instead raises them to fight and die again.
Boreal Griffin
Flying
{S}: Boreal Griffin gains first strike until end of turn. ({S} can be paid with one mana from a snow source.)
"More than snow falls from the Boreal skies."
—Arkin Egilsson, skycaptain
Cover of Winter
Cumulative upkeep {S} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it. {S} can be paid with one mana from a snow source.)
If a creature would deal combat damage to you and/or one or more creatures you control, prevent X of that damage, where X is the number of age counters on Cover of Winter.
{S}: Put an age counter on Cover of Winter.
Darien, King of Kjeldor
Whenever you're dealt damage, you may create that many 1/1 white Soldier creature tokens.
"With his dream of unification fulfilled, Darien became the last king of Kjeldor. Those who followed were known as the kings of New Argive."
—*Kjeldor: Ice Civilization*
Field Marshal
Other Soldier creatures get +1/+1 and have first strike. (They deal combat damage before creatures without first strike.)
The Knights of Stromgald struck Darien's Roost from two sides. They would have caught Kjeldor in a pincer attack were it not for Darien's tacticians.
Gelid Shackles
Enchant creature
Enchanted creature can't block, and its activated abilities can't be activated.
{S}: Enchanted creature gains defender until end of turn. ({S} can be paid with one mana from a snow source.)
Glacial Plating
Enchant creature
Cumulative upkeep {S} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it. {S} can be paid with one mana from a snow source.)
Enchanted creature gets +3/+3 for each age counter on Glacial Plating.
Jötun Grunt
Cumulative upkeep—Put two cards from a single graveyard on the bottom of their owner's library. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
Jötun Owl Keeper
Cumulative upkeep {W} or {U} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
When Jötun Owl Keeper dies, create a 1/1 white Bird creature token with flying for each age counter on it.
Kjeldoran Gargoyle
Flying, first strike
Whenever Kjeldoran Gargoyle deals damage, you gain that much life.
The gargoyles were taken from the walls of flooded Kjeldoran cities and brought upland to guard the outposts of New Argive.
Kjeldoran Javelineer
Cumulative upkeep {1} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
{T}: Kjeldoran Javelineer deals damage equal to the number of age counters on it to target attacking or blocking creature.
Kjeldoran Outrider
{W}: Kjeldoran Outrider gets +0/+1 until end of turn.
"I listen to people. He sniffs the wind. And we both sense something big coming. Something very big."
Kjeldoran War Cry
Creatures you control get +X/+X until end of turn, where X is 1 plus the number of cards named Kjeldoran War Cry in all graveyards.
King Darien's breath crystallized and fell to the frozen battlefield, but its command carried true to all soldiers of New Argive.
Luminesce
Prevent all damage that black sources and red sources would deal this turn.
"The White Shield is not the burnished metal you lash to your forearm but the conviction that burns in your chest."
—Lucilde Fiksdotter, leader of the Order of the White Shield
Martyr of Sands
{1}, Reveal X white cards from your hand, Sacrifice Martyr of Sands: You gain three times X life.
"Only in our vulnerability is there true power, and that power is life itself."
Ronom Unicorn
Sacrifice Ronom Unicorn: Destroy target enchantment.
The aberrant magic of the Rimewind drew the unicorns back from the northern wastes to do battle once again.
Squall Drifter
Flying
{W}, {T}: Tap target creature.
"The scouts claim the cold has malice, and a mind. I begin to believe them. Impassable drifts seem to appear before us at every turn."
—Aevar Borg, northern guide, journal entry
Sun's Bounty
You gain 4 life.
Recover {1}{W} (When a creature is put into your graveyard from the battlefield, you may pay {1}{W}. If you do, return this card from your graveyard to your hand. Otherwise, exile this card.)
"Heidar has forced the sun into hiding, but it has not forgotten us."
Sunscour
You may exile two white cards from your hand rather than pay this spell's mana cost.
Destroy all creatures.
Surging Sentinels
First strike
Ripple 4 (When you cast this spell, you may reveal the top four cards of your library. You may cast spells with the same name as this spell from among those cards without paying their mana costs. Put the rest on the bottom of your library.)
Swift Maneuver
Prevent the next 2 damage that would be dealt to any target this turn.
Draw a card at the beginning of the next turn's upkeep.
Darien's call to Yavimaya would have fallen red to the snow had it not been for the agility of the aesthir.
Ursine Fylgja
Ursine Fylgja enters the battlefield with four healing counters on it.
Remove a healing counter from Ursine Fylgja: Prevent the next 1 damage that would be dealt to Ursine Fylgja this turn.
{2}{W}: Put a healing counter on Ursine Fylgja.
Wall of Shards
Defender, flying
Cumulative upkeep—An opponent gains 1 life. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
White Shield Crusader
Protection from black
{W}: White Shield Crusader gains flying until end of turn.
{W}{W}: White Shield Crusader gets +1/+0 until end of turn.
"Honor your steed and it will carry you to great deeds—and bring you home to tell of them."
Woolly Razorback
Woolly Razorback enters the battlefield with three ice counters on it.
As long as Woolly Razorback has an ice counter on it, prevent all combat damage it would deal and it has defender.
Whenever Woolly Razorback blocks, remove an ice counter from it.
Adarkar Windform
Flying
{1}{S}: Target creature loses flying until end of turn. ({S} can be paid with one mana from a snow source.)
Terisiare has only two kinds of weather: cold and weird.
Arcum Dagsson
{T}: Target artifact creature's controller sacrifices it. That player may search their library for a noncreature artifact card, put it onto the battlefield, then shuffle.
"Artifice sundered the world. It shall not again wreak such sorrow."
Balduvian Frostwaker
{U}, {T}: Target snow land becomes a 2/2 blue Elemental creature with flying. It's still a land.
"Whether frozen or fertile, the land is our ally. It awaits the call to battle."
Commandeer
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.)
Controvert
Counter target spell.
Recover {2}{U}{U} (When a creature is put into your graveyard from the battlefield, you may pay {2}{U}{U}. If you do, return this card from your graveyard to your hand. Otherwise, exile this card.)
Counterbalance
Whenever an opponent casts a spell, you may reveal the top card of your library. If you do, counter that spell if it has the same mana value as the revealed card.
Drelnoch
Whenever Drelnoch becomes blocked, you may draw two cards.
Adarkar's blank wastes make the mind wander—and stray thoughts are quickly caught and devoured.
Flashfreeze
Counter target red or green spell.
"Nature? Fire? Bah! Both are chaotic and difficult to control. Ice is structured, latticed, light as a feather, massive as a glacier. In ice, there is power!"
—Heidar, Rimewind master
Frost Raptor
Flying
{S}{S}: Frost Raptor gains shroud until end of turn. ({S} can be paid with one mana from a snow source. A creature with shroud can't be the target of spells or abilities.)
The Rimewind wizards strove to perpetuate a magical winter. Their unnatural snows birthed unnatural beasts.
Frozen Solid
Enchant creature
Enchanted creature doesn't untap during its controller's untap step.
When enchanted creature is dealt damage, destroy it.
"Guard, fetch me a mallet."
—Heidar, Rimewind master
Heidar, Rimewind Master
{2}, {T}: Return target permanent to its owner's hand. Activate only if you control four or more snow permanents.
"The umber stain of the Thaw will be bleached away. Once again the world will be sharp, white, perfect!"
Jokulmorder
Trample
Jokulmorder enters the battlefield tapped.
When Jokulmorder enters the battlefield, sacrifice it unless you sacrifice five lands.
Jokulmorder doesn't untap during your untap step.
Whenever you play an Island, you may untap Jokulmorder.
Krovikan Mist
Flying
Krovikan Mist's power and toughness are each equal to the number of Illusions on the battlefield.
Plague-induced dreams became real as they swirled above Krov, mingling with the magical residue of the World Spell.
Krovikan Whispers
Enchant creature
Cumulative upkeep {U} or {B} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
You control enchanted creature.
When Krovikan Whispers is put into a graveyard from the battlefield, you lose 2 life for each age counter on it.
Martyr of Frost
{2}, Reveal X blue cards from your hand, Sacrifice Martyr of Frost: Counter target spell unless its controller pays {X}.
"Do not call the Balduvians barbaric. Their magic is as potent as it is primal."
—Zur the Enchanter
Perilous Research
Draw two cards, then sacrifice a permanent.
When the School of the Unseen fell, so many magical treasures lay abandoned that no amount of death could deter the stream of thieves and desperate scholars.
Rimefeather Owl
Flying
Rimefeather Owl's power and toughness are each equal to the number of snow permanents on the battlefield.
{1}{S}: Put an ice counter on target permanent.
Permanents with ice counters on them are snow.
Rimewind Cryomancer
{1}, {T}: Counter target activated ability. Activate only if you control four or more snow permanents. (Mana abilities can't be targeted.)
"The Thaw brings flooding, disease, and death. We will do all in our power to bring frigid peace back to the world."
Rimewind Taskmage
{1}, {T}: You may tap or untap target permanent. Activate only if you control four or more snow permanents.
"Find solace in the sun? Burning, blinding, laying secrets bare? No, solace is found under the blanket of cold."
Ronom Serpent
Ronom Serpent can't attack unless defending player controls a snow land.
When you control no snow lands, sacrifice Ronom Serpent.
With the spread of Rimewind's sorcerous winter, snow dwellers reclaimed their places atop the food chain.
Rune Snag
Counter target spell unless its controller pays {2} plus an additional {2} for each card named Rune Snag in each graveyard.
"Concentration is key. Without it, a mage conjures nothing but a splitting headache."
—Zur the Enchanter
Surging Aether
Ripple 4 (When you cast this spell, you may reveal the top four cards of your library. You may cast spells with the same name as this spell from among those cards without paying their mana costs. Put the rest on the bottom of your library.)
Return target permanent to its owner's hand.
Survivor of the Unseen
Cumulative upkeep {2} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
{T}: Draw two cards, then put a card from your hand on top of your library.