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

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

Alpine Meadow enters the battlefield tapped.

Create two 1/1 blue Bird creature tokens with flying. Take an extra turn after this one. Exile Alrund's Epiphany.

Foretell {4}{U}{U} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Alrund gets +1/+1 for each card in your hand and each foretold card you own in exile.

At the beginning of your end step, choose a card type, then reveal the top two cards of your library. Put all cards of the chosen type revealed this way into your hand and the rest on the bottom of your library in any order.

Flying

Whenever Hakka, Whispering Raven deals combat damage to a player, return it to its owner's hand, then scry 2.

As Arcane Adaptation enters the battlefield, choose a creature type.

Creatures you control are the chosen type in addition to their other types. The same is true for creature spells you control and creature cards you own that aren't on the battlefield.

Arcane Sanctum enters the battlefield tapped.

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

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

Archway Commons enters the battlefield tapped.

When Archway Commons enters the battlefield, sacrifice it unless you pay {1}.

{T}: Add one mana of any color.

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

Arctic Treeline enters the battlefield tapped.

At the beginning of your upkeep, put a muster counter on Assemble the Legion. Then create a 1/1 red and white Soldier creature token with haste for each muster counter on Assemble the Legion.

Choose two --

• Destroy all artifacts.

• Destroy all enchantments.

• Destroy all creatures with mana value 3 or less.

• Destroy all creatures with mana value 4 or greater.

Destroy target permanent. Its controller creates a 3/3 green Beast creature token.

Scry 2, then draw two cards.

Foretell {1}{U} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Whenever you cast a spell, add {R}. Until end of turn, you don't lose this mana as steps and phases end.

Creatures you control can boast twice during each of your turns rather than once.

Discard a card: Exile the top two cards of your library. You may play those cards this turn.

Extort (Whenever you cast a spell, you may pay {W/B}. If you do, each opponent loses 1 life and you gain that much life.)

Artifacts and creatures your opponents control enter the battlefield tapped.

Bojuka Bog enters the battlefield tapped.

When Bojuka Bog enters the battlefield, exile target player's graveyard.

{T}: Add {B}.

Indestructible

{T}: Add {C}.

{5}, {T}: Add five mana in any combination of colors.

Bestow {2}{W}{U}{B}{R}{G} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.)

Flying, first strike, vigilance, trample, lifelink

Enchanted creature gets +4/+4 and has flying, first strike, vigilance, trample, and lifelink.

Lands you control have "{T}: Add one mana of any color."

{T}: Add one mana of any color.

You may spend mana as though it were mana of any color.

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

{5}, {T}: Draw a card for each color among permanents you control.

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

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

Sacrifice Commander's Sphere: Draw a card.

Search your library for a white card, a blue card, a black card, a red card, and a green card. Reveal those cards, put them into your hand, then shuffle.

At the beginning of your upkeep, you may exile Cosima. If you do, it gains "Whenever a land enters the battlefield under your control, if Cosima is exiled, you may put a voyage counter on it. If you don't, return Cosima to the battlefield with X +1/+1 counters on it and draw X cards, where X is the number of voyage counters on it."

Whenever a Vehicle you control deals combat damage to a player, that player exiles that many cards from the top of their library. You may play lands from among those cards for as long as they remain exiled.

Crew 1

If a permanent you control would be put into a graveyard from the battlefield this turn, exile it instead. Return it to the battlefield under its owner's control at the beginning of the next end step.

Foretell {1}{W} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Counter target spell.

Crumbling Necropolis enters the battlefield tapped.

{T}: Add {U}, {B}, or {R}.

{T}: Add {C}.

{5}, {T}: Add {W}{U}{B}{R}{G}.

Dark Depths enters the battlefield with ten ice counters on it.

{3}: Remove an ice counter from Dark Depths.

When Dark Depths has no ice counters on it, sacrifice it. If you do, create Marit Lage, a legendary 20/20 black Avatar creature token with flying and indestructible.

Draw two cards.

Return any number of permanent cards with different names from your graveyard to the battlefield.

Deathtouch

At the beginning of your upkeep, exile two cards from your graveyard. If you can't, sacrifice Egon and draw a card.

At the beginning of your upkeep, mill a card.

{2}{B}, {T}, Exile a creature card from your graveyard: Draw a card.

Vigilance

{T}: Add one mana of any color.

Other legendary creatures you control have vigilance and "{T}: Add one mana of any color."

At the beginning of your upkeep, reveal cards from the top of your library until you reveal a creature or planeswalker card. Put that card onto the battlefield and the rest on the bottom of your library in a random order.

{T}: Add one mana of any color that a land an opponent controls could produce.

Enchant permanent

When Faith's Fetters enters the battlefield, you gain 4 life.

Enchanted permanent can't attack or block, and its activated abilities can't be activated unless they're mana abilities.

Target permanent you control gains protection from the color of your choice until end of turn.

Fateful hour -- If you have 5 or less life, instead you and each permanent you control gain protection from the color of your choice until end of turn.

Frost Bite deals 2 damage to target creature or planeswalker. If you control three or more snow permanents, it deals 3 damage instead.

{T}: Choose a card name that hasn't been chosen from among Disenchant, Braingeyser, Terror, Shivan Dragon, Regrowth, and Black Lotus. Create a copy of the card with the chosen name. You may cast the copy. (You still pay its costs.)

Gateway Plaza enters the battlefield tapped.

When Gateway Plaza enters the battlefield, sacrifice it unless you pay {1}.

{T}: Add one mana of any color.

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

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

Glacial Floodplain enters the battlefield tapped.

Search your library for a card, put that card into your hand, then shuffle. You lose 3 life.

Creatures you control that are enchanted or equipped have double strike.

At the beginning of each combat, you may attach target Aura or Equipment attached to a creature you control to target creature you control.

Equipped creature gets +2/+0 and has vigilance.

Whenever equipped creature dies, return it to its owner's hand.

Equip {1}{W}

Choose a creature type. Return up to two creature cards of that type from your graveyard to the battlefield. If this spell was foretold, return all creature cards of that type from your graveyard to the battlefield instead.

Foretell {5}{B}{B} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Permanents you control gain hexproof and indestructible until end of turn.

({T}: Add {R} or {G}.)

Highland Forest enters the battlefield tapped.

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

Ice Tunnel enters the battlefield tapped.

Flash

Flying

When Ice-Fang Coatl enters the battlefield, draw a card.

Ice-Fang Coatl has deathtouch as long as you control at least three other snow permanents.

({T}: Add {W}, {B}, or {G}.)

Indatha Triome enters the battlefield tapped.

Cycling {3} ({3}, Discard this card: Draw a card.)

Whenever Jorn attacks, untap each snow permanent you control.

{T}: You may play target snow permanent card from your graveyard this turn. If you do, it enters the battlefield tapped.

Jungle Shrine enters the battlefield tapped.

{T}: Add {R}, {G}, or {W}.

+1: Put a ghostform counter on up to one target nontoken creature. It gains "When this creature dies or is put into exile, return it to its owner's hand and create a 1/1 white Spirit creature token with flying."

-3: Exile target nonland permanent.

-7: You get an emblem with "At the beginning of your upkeep, you may cast a legendary spell from your hand, from your graveyard, or from among cards you own in exile without paying its mana cost."

({T}: Add {G}, {U}, or {R}.)

Ketria Triome enters the battlefield tapped.

Cycling {3} ({3}, Discard this card: Draw a card.)

As long as you control three or more legendary creatures, Kolvori gets +4/+2 and has vigilance.

{1}{G}, {T}: Look at the top six cards of your library. You may reveal a legendary creature card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

As The Ringhart Crest enters the battlefield, choose a creature type.

{T}: Add {G}. Spend this mana only to cast a creature spell of the chosen type or a legendary creature spell.

Flying

Whenever Maelstrom Archangel deals combat damage to a player, you may cast a spell from your hand without paying its mana cost.

The first spell you cast each turn has cascade. (When you cast your first spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom of your library in a random order.)

Whenever Marit Lage's Slumber or another snow permanent enters the battlefield under your control, scry 1.

At the beginning of your upkeep, if you control ten or more snow permanents, sacrifice Marit Lage's Slumber. If you do, create Marit Lage, a legendary 20/20 black Avatar creature token with flying and indestructible.

Creatures you control are every creature type. The same is true for creature spells you control and creature cards you own that aren't on the battlefield.

{3}, {T}: Create a 2/2 blue Shapeshifter creature token with changeling. (It is every creature type.)

Creatures you control get +1/+1.

Whenever you tap a land for mana, add one mana of any type that land produced.

Choose one --

• Search your library for up to X land cards, reveal them, put them into your hand, then shuffle.

• Nylea's Intervention deals twice X damage to each creature with flying.

Protection from everything

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

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

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

Raugrin Triome enters the battlefield tapped.

Cycling {3} ({3}, Discard this card: Draw a card.)

Flying, vigilance

Snow lands your opponents control enter the battlefield tapped.

Noncreature spells your opponents cast with mana value 4 or greater cost {2} more to cast.

If a source an opponent controls would deal damage to you or a permanent you control, prevent 1 of that damage.

Whenever you or another permanent you control becomes the target of a spell or ability an opponent controls, counter that spell or ability unless its controller pays {1}.

You have no maximum hand size.

{T}: Add {C}.

{T}: Add one mana of any color.

At the beginning of your upkeep, put a night counter on Replicating Ring. Then if it has eight or more night counters on it, remove all of them and create eight colorless snow artifact tokens named Replicated Ring with "{T}: Add one mana of any color."

You gain 3 life.

Draw a card.

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.

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

Rimewood Falls enters the battlefield tapped.

Return all nonland permanents target player controls to their owner's hand.

Destroy all nonland permanents your opponents control.

Rupture Spire enters the battlefield tapped.

When Rupture Spire enters the battlefield, sacrifice it unless you pay {1}.

{T}: Add one mana of any color.

Whenever a spell or ability an opponent controls causes a land to be put into your graveyard from the battlefield, return that card to the battlefield.

Savage Lands enters the battlefield tapped.

{T}: Add {B}, {R}, or {G}.

({T}: Add {R}, {W}, or {B}.)

Savai Triome enters the battlefield tapped.

Cycling {3} ({3}, Discard this card: Draw a card.)

Counter target spell.

Foretell {1}{U} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Search your library for a snow permanent card, a legendary card, or a Saga card, reveal it, put it into your hand, then shuffle. You gain 1 life for each {S} spent to cast this spell. ({S} is mana from a snow source.)

Seaside Citadel enters the battlefield tapped.

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

({T}: Add {G}.)

({T}: Add {U}.)

({T}: Add {R}.)

({T}: Add {W}.)

({T}: Add {B}.)

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

Snowfield Sinkhole enters the battlefield tapped.

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

+2: Sorin Markov deals 2 damage to any target and you gain 2 life.

-3: Target opponent's life total becomes 10.

-7: You control target player during that player's next turn.

({T}: Add {B} or {R}.)

Sulfurous Mire enters the battlefield tapped.

This spell can't be countered.

Destroy all creatures.

Until your next turn, your life total can't change and you gain protection from everything. All permanents you control phase out. (While they're phased out, they're treated as though they don't exist. They phase in before you untap during your untap step.)

Exile Teferi's Protection.

Menace

Whenever an opponent sacrifices a nontoken permanent or discards a permanent card, you may put that card from a graveyard onto the battlefield under your control.

{T}: Target player loses 3 life unless they sacrifice a nonland permanent or discard a card.

{3}{B}: Untap Tergrid's Lantern.

All lands have indestructible.

The World Tree enters the battlefield tapped.

{T}: Add {G}.

As long as you control six or more lands, lands you control have "{T}: Add one mana of any color."

{W}{W}{U}{U}{B}{B}{R}{R}{G}{G}, {T}, Sacrifice The World Tree: Search your library for any number of God cards, put them onto the battlefield, then shuffle.

{T}: Add {C}.

{2}, {T}: Thespian's Stage becomes a copy of target land, except it has this ability.

Trample

Whenever a creature or planeswalker an opponent controls is dealt excess noncombat damage, Toralf deals damage equal to the excess to any target other than that permanent.

Equipped creature has "{1}{R}, {T}, Unattach Toralf's Hammer: It deals 3 damage to any target. Return Toralf's Hammer to its owner's hand."

Equipped creature gets +3/+0 as long as it's legendary.

Equip {1}{R}

(You may cast a legendary sorcery only if you control a legendary creature or planeswalker.)

Exile all nonland permanents that aren't legendary.

When Valki enters the battlefield, each opponent reveals their hand. For each opponent, exile a creature card they revealed this way until Valki leaves the battlefield.

{X}: Choose a creature card exiled with Valki with mana value X. Valki becomes a copy of that card.

As Tibalt enters the battlefield, you get an emblem with "You may play cards exiled with Tibalt, Cosmic Impostor, and you may spend mana as though it were mana of any color to cast those spells."

+2: Exile the top card of each player's library.

-3: Exile target artifact or creature.

-8: Exile all graveyards. Add {R}{R}{R}.

Destroy target permanent.

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

Volatile Fjord enters the battlefield tapped.

({T}: Add {B} or {G}.)

Woodland Chasm enters the battlefield tapped.

({T}: Add {B}, {G}, or {U}.)

Zagoth Triome enters the battlefield tapped.

Cycling {3} ({3}, Discard this card: Draw a card.)