Trample

Abominable Treefolk's power and toughness are each equal to the number of snow permanents you control.

When Abominable Treefolk enters the battlefield, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step.

Your devotion to each color and each combination of colors is increased by one.

{T}: Add one mana of any color. If you control a God, a Demigod, or a legendary enchantment, you gain 1 life.

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

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

Creatures you control have flying.

Creatures your opponents control lose flying and can't have or gain flying.

Mutate {5}{U} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)

Whenever this creature mutates, tap up to X target creatures, where X is the number of times this creature has mutated. Those creatures don't untap during their controller's next untap step.

Arixmethes, Slumbering Isle enters the battlefield tapped with five slumber counters on it.

As long as Arixmethes has a slumber counter on it, it's a land. (It's not a creature.)

Whenever you cast a spell, you may remove a slumber counter from Arixmethes.

{T}: Add {G}{U}.

Up to two target creatures you control each deal damage equal to their power to another target creature.

Callaphe's power is equal to your devotion to blue. (Each {U} in the mana costs of permanents you control counts toward your devotion to blue.)

Creatures and enchantments you control have "Spells your opponents cast that target this permanent cost {1} more to cast."

Counter target spell.

{2}, {T}: Until end of turn, target creature you control gains flying and has base toughness 1.

Spells your opponents cast that target Charix, the Raging Isle cost {2} more to cast.

{3}: Charix gets +X/-X until end of turn, where X is the number of Islands you control.

When Coiling Oracle enters the battlefield, reveal the top card of your library. If it's a land card, put it onto the battlefield. Otherwise, put that card into your hand.

Equipped creature gets +10/+10 and loses flying.

Equip {8} ({8}: Attach to target creature you control. Equip only as a sorcery.)

This spell costs {1} less to cast for each instant and sorcery card in your graveyard.

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

Return target creature to its owner's hand.

Draw a card.

Return to their owners' hands all creatures with toughness less than or equal to the number of Islands you control.

Fertilid enters the battlefield with two +1/+1 counters on it.

{1}{G}, Remove a +1/+1 counter from Fertilid: Target player searches their library for a basic land card, puts it onto the battlefield tapped, then shuffles.

{5}{U}{U}: Frilled Sea Serpent can't be blocked this turn.

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

{T}: Add {C}.

{1}{S}: Until end of turn, Frostwalk Bastion becomes a 2/3 Construct artifact creature. It's still a land. ({S} can be paid with one mana from a snow source.)

Whenever Frostwalk Bastion deals combat damage to a creature, tap that creature and it doesn't untap during its controller's next untap step.

Artifacts, creatures, and lands your opponents control enter the battlefield tapped.

Reveal the top six cards of your library. You may put any number of snow permanent cards from among them into your hand. Put the rest into your graveyard.

({S} can be paid with one mana from a snow source.)

This spell costs {3} less to cast if an opponent has seven or more cards in their graveyard.

Draw four cards.

Spells your opponents cast that target a creature or planeswalker you control cost {2} more to cast.

-2: Create a 2/2 blue Wizard creature token. Draw a card, then discard a card.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)

I -- Create an 8/8 blue Kraken creature token with hexproof.

II -- Tap all nonland permanents target opponent controls. They don't untap during their controller's next untap step.

III -- Gain control of target permanent an opponent controls. Untap it.

When Kiora's Dambreaker enters the battlefield, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

{T}: Untap another target permanent.

Whenever a creature with power 4 or greater enters the battlefield under your control, draw a card.

-1: Untap target permanent.

Reveal the top two cards of your library. Put all creature and land cards revealed this way into your hand and the rest on the bottom of your library in any order.

{T}: Add {G}. If you control four or more creatures, add {G}{G} instead.

When Llanowar Visionary enters the battlefield, draw a card.

{T}: Add {G}.

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.

Suspend 3--{0} (Rather than cast this card from your hand, pay {0} and exile it with three time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, cast it without paying its mana cost.)

{T}: Add one mana of any color.

({T}: Add {U}.)

Mystic Sanctuary enters the battlefield tapped unless you control three or more other Islands.

When Mystic Sanctuary enters the battlefield untapped, you may put target instant or sorcery card from your graveyard on top of your library.

Whenever you draw a card, you may pay {1}. If you do, put a +1/+1 counter on Nadir Kraken and create a 1/1 blue Tentacle creature token.

Search your library for a Forest card, put that card onto the battlefield, then shuffle.

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.

Flying

Whenever you draw a card, put a +1/+1 counter on Oneirophage.

Paradise Druid has hexproof as long as it's untapped. (It can't be the target of spells or abilities your opponents control.)

{T}: Add one mana of any color.

Whenever Phase Dolphin attacks, another target attacking creature can't be blocked this turn.

Look at the top three cards of target player's library, then put them back in any order. You may have that player shuffle.

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

At the beginning of your upkeep, draw a card if you control a creature with the greatest power among creatures on the battlefield. Otherwise, put a +1/+1 counter on a creature you control.

When Pursued Whale enters the battlefield, each opponent creates a 1/1 red Pirate creature token with "This creature can't block" and "Creatures you control attack each combat if able."

Spells your opponents cast that target Pursued Whale cost {3} more to cast.

Choose one --

• Destroy target artifact.

• Destroy target enchantment.

• Exile target card from a graveyard.

{T}: Add {C}.

{4}, {T}: Target creature can't be blocked this turn.

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

Awaken 3--{4}{U} (If you cast this spell for {4}{U}, also put three +1/+1 counters on target land you control and it becomes a 0/0 Elemental creature with haste. It's still a land.)

When Sea Gate Oracle enters the battlefield, look at the top two cards of your library. Put one of them into your hand and the other on the bottom of your library.

Return up to three target creatures and/or enchantments to their owners' hands.

Mutate {1}{U} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)

Flash

Whenever this creature deals combat damage to a player, draw a card.

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

Constellation -- Whenever an enchantment enters the battlefield under your control, you may draw a card. If you do, discard a card.

{T}: Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

Defender

Landfall -- Whenever a land enters the battlefield under your control, Skyclave Squid can attack this turn as though it didn't have defender.

Skyline Cascade enters the battlefield tapped.

When Skyline Cascade enters the battlefield, target creature an opponent controls doesn't untap during its controller's next untap step.

{T}: Add {U}.

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({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 {C}{C}.

{2}, {T}, Sacrifice Spellkeeper Weird: Return target instant or sorcery card from your graveyard to your hand.

Choose one or more --

• Counter target spell.

• Counter target activated or triggered ability.

• Return target nonland permanent to its owner's hand.

• Create a token that's a copy of target creature you control.

• Target player draws a card.

Target creature gets +2/+2 until end of turn. You may put a land card from your hand onto the battlefield.

Spells and abilities your opponents control can't cause you to discard cards or sacrifice permanents.

+1: Choose a nonland card name, then reveal the top four cards of your library. Put all cards with the chosen name from among them into your hand and the rest into your graveyard.

-3: Return target card from your graveyard to your hand.

Choose one --

• Look at the top X cards of your library. Put up to two of them into your hand and the rest on the bottom of your library in a random order.

• Counter target spell unless its controller pays twice {X}.

Enchant creature

Enchanted creature gets -6/-0 and loses flying.

Whenever you draw a card, you may pay {1}. When you do, you may tap or untap target creature.

{1}, Sacrifice Traveler's Amulet: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.

Enchant creature

Enchanted creature gets +2/+0 and can't be blocked.

Return all creatures to their owners' hands except for Krakens, Leviathans, Octopuses, and Serpents.

Enchant creature

When Winter's Rest enters the battlefield, tap enchanted creature.

As long as you control another snow permanent, enchanted creature doesn't untap during its controller's untap step.