Ward {2} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {2}.)

If one or more tokens would be created under your control, twice that many of those tokens are created instead.

Put a flood counter on target land. That land is an Island in addition to its other types for as long as it has a flood counter on it. If you control a Merfolk, draw a card.

{T}: Untap target Forest.

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.

When Benthicore enters the battlefield, create two 1/1 blue Merfolk Wizard creature tokens.

Tap two untapped Merfolk you control: Untap Benthicore. It gains shroud until end of turn. (It can't be the target of spells or abilities.)

Draw three cards, then put two cards from your hand on top of your library in any order.

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.

Creature tokens you control have flying.

{2}{G}{U}, {T}, Sacrifice a token: Create a 4/4 green Beast creature token. Activate only as a sorcery.

You may have Copy Enchantment enter the battlefield as a copy of any enchantment on the battlefield.

Haste

When Craterhoof Behemoth enters the battlefield, creatures you control gain trample and get +X/+X until end of turn, where X is the number of creatures you control.

Flying

You have no maximum hand size.

Whenever a creature token you control deals combat damage to a player, draw a card.

Whenever you cast a Merfolk spell, create a 1/1 blue Merfolk creature token with hexproof. (A creature with hexproof can't be the target of spells or abilities your opponents control.)

If an effect would create one or more tokens under your control, it creates twice that many of those tokens instead.

If an effect would put one or more counters on a permanent you control, it puts twice that many of those counters on that permanent instead.

When Dwynen's Elite enters the battlefield, if you control another Elf, create a 1/1 green Elf Warrior creature token.

Changeling (This card is every creature type.)

Creatures target player controls get -2/-0 and lose all creature types until end of turn.

When Elven Bow enters the battlefield, you may pay {2}. If you do, create a 1/1 green Elf Warrior creature token, then attach Elven Bow to it.

Equipped creature gets +1/+2 and has reach.

Equip {3}

Other Elf creatures you control get +1/+1.

{T}: Add {G} for each Elf you control.

Other Elf creatures get +1/+1 and have forestwalk. (They can't be blocked as long as defending player controls a Forest.)

{T}: Add {G}.

When Elvish Rejuvenator enters the battlefield, look at the top five cards of your library. You may put a land card from among them onto the battlefield tapped. Put the rest on the bottom of your library in a random order.

When Elvish Visionary enters the battlefield, draw a card.

Whenever one or more other Elves enter the battlefield under your control, create a 1/1 green Elf Warrior creature token. This ability triggers only once each turn.

{5}{G}{G}: Elves you control get +2/+2 and gain deathtouch until end of turn.

You may look at the top card of your library any time.

You may cast Merfolk spells from the top of your library.

Whenever you cast a Merfolk spell, you may pay {1}. If you do, create a 1/1 blue Merfolk creature token.

Flying

The first time you would create one or more tokens during each of your turns, you may instead choose a creature other than Esix, Fractal Bloom and create that many tokens that are copies of that creature.

You may have Estrid's Invocation enter the battlefield as a copy of an enchantment you control, except it has "At the beginning of your upkeep, you may exile this enchantment. If you do, return it to the battlefield under its owner's control."

When Farhaven Elf enters the battlefield, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

+2: Create a 1/1 green Elf Druid creature token with "{T}: Add {G}."

-2: Destroy target artifact or enchantment.

-6: Draw a card for each green creature you control.

Freyalise, Llanowar's Fury can be your commander.

Flying

Create two 1/1 green Elf Warrior creature tokens. Clash with an opponent. If you win, those creatures gain deathtouch until end of turn. (Each clashing player reveals the top card of their library, then puts that card on the top or bottom. A player wins if their card had a higher mana value. Any amount of damage a creature with deathtouch deals to a creature is enough to destroy it.)

Whenever you cast a Druid spell, you may draw a card.

Tap seven untapped Druids you control: Gain control of all lands target player controls.

Search your library for a green creature card with mana value X or less, put it onto the battlefield, then shuffle. Shuffle Green Sun's Zenith into its owner's library.

If you control two or more other lands, Hall of Storm Giants enters the battlefield tapped.

{T}: Add {U}.

{5}{U}: Until end of turn, Hall of Storm Giants becomes a 7/7 blue Giant creature with ward {3}. It's still a land. (Whenever it becomes the target of a spell or ability an opponent controls, counter it unless that player pays {3}.)

Tap three untapped Elves you control: Add {G}{G}{G}.

Create three 1/1 green Elf Warrior creature tokens.

Reinforce 3--{3}{G} ({3}{G}, Discard this card: Put three +1/+1 counters on target creature.)

Create a token that's a copy of target creature you control, except the token has flying and it isn't legendary.

Tokens you control have "{T}: Add {G}."

Choose a Background (You can have a Background as a second commander.)

When Jungleborn Pioneer enters the battlefield, create a 1/1 blue Merfolk creature token with hexproof. (It can't be the target of spells or abilities your opponents control.)

If you control two or more other lands, Lair of the Hydra enters the battlefield tapped.

{T}: Add {G}.

{X}{G}: Until end of turn, Lair of the Hydra becomes an X/X green Hydra creature. It's still a land. X can't be 0.

Defender

Tap three untapped creatures you control: Surveil 1. (Look at the top card of your library. You may put that card into your graveyard.)

{T}: Add one mana of any color.

{T}: Target land you control becomes a 3/3 Elemental creature with haste until end of turn. It's still a land. Activate only as a sorcery.

Whenever a spell or ability you control counters a spell, you may create a 1/1 blue Merfolk creature token.

Tap seven untapped Merfolk you control: Counter target spell.

Lumbering Falls enters the battlefield tapped.

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

{2}{G}{U}: Lumbering Falls becomes a 3/3 green and blue Elemental creature with hexproof until end of turn. It's still a land.

Whenever you cast an Elf spell, you may create a 1/1 green Elf Warrior creature token.

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.)

You may have Mirrormade enter the battlefield as a copy of any artifact or enchantment on the battlefield.

{T}: Add {C}.

{1}: Mutavault becomes a 2/2 creature with all creature types until end of turn. It's still a land.

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

Tap four untapped creatures you control: Destroy target artifact or enchantment.

If an effect would create one or more tokens under your control, it creates twice that many of those tokens instead.

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

Draw a card.

Scry 2, then draw a card. (To scry 2, look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)

If one or more tokens would be created, twice that many of those tokens are created instead.

If one or more +1/+1 counters would be put on a creature, twice that many +1/+1 counters are put on that creature instead.

Magecraft -- Whenever you cast or copy an instant or sorcery spell, put a +1/+1 counter on Quandrix Pledgemage.

As Quirion Elves enters the battlefield, choose a color.

{T}: Add {G}.

{T}: Add one mana of the chosen color.

Search your library for up to two Forest cards, put them onto the battlefield, then shuffle.

You may have Spark Double enter the battlefield as a copy of a creature or planeswalker you control, except it enters with an additional +1/+1 counter on it if it's a creature, it enters with an additional loyalty counter on it if it's a planeswalker, and it isn't legendary.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)

Choose one --

• Create a 2/2 green and white Elf Knight creature token with vigilance.

• Destroy target artifact or enchantment.

Landfall -- Whenever a land enters the battlefield under your control, you gain 1 life and draw a card.

Land creatures you control have flying.

Whenever a land enters the battlefield under your control, if you control seven or more lands, up to one target land you control becomes a 3/3 Elemental creature with haste. It's still a land.

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

I -- Create a 2/2 blue Shapeshifter creature token with changeling.

II -- Any number of target Shapeshifter creatures you control have base power and toughness 4/4.

III -- Choose up to one target creature or planeswalker. Each creature with power 4 or greater you control deals damage equal to its power to that permanent.

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

Tap five untapped Elves you control: Create a 7/7 green Elemental creature token with trample.

Other enchantment creatures you control get +1/+1.

{G}, {T}: Copy target activated or triggered ability you control from an enchantment source. You may choose new targets for the copy. (Mana abilities can't be targeted.)

Changeling (This card is every creature type.)

Until end of turn, target creature has base power and toughness 4/4, gains all creature types, and gains flying.

{T}: Add {C}.

{G}, {T}: Untap target Elf.

Return an Elf you control to its owner's hand: Untap target creature. Activate only once each turn.

Each land is a Forest in addition to its other land types.