Other Merfolk you control get +1/+1.

Return target creature to its owner's hand. Gain control of all Auras and Equipment that were attached to it, then attach them to another creature.

, , Discard a card: Target creature gets +X/+0 until end of turn.

Enchant artifact
Enchanted artifact is a creature with base power and toughness 5/5 in addition to its other types.

When this creature dies, it deals 2 damage to any target.

Return target creature card from your graveyard to your hand.
Threshold — Return that card from your graveyard to the battlefield instead if there are seven or more cards in your graveyard.

Lifelink, protection from mana value 3 or greater

Search your library for a land card, reveal it, put it into your hand, then shuffle.

This artifact enters tapped.
: Add .

, Remove a counter from a permanent you control: Choose one —
• Put a charge counter on target artifact.
• Put a +1/+1 counter on target creature.

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

Destroy target non-Merfolk creature.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I — Search your library for a basic Plains card, reveal it, put it into your hand, then shuffle.
II — Create a 0/4 colorless Wall artifact creature token with defender.
III — You gain 2 life.

Roast deals 5 damage to target creature without flying.

Buyback—Sacrifice a land. (You may sacrifice a land in addition to any other costs as you cast this spell. If you do, put this card into your hand as it resolves.)
Create a 1/1 white Pegasus creature token with flying.

Target player discards two cards. That player may copy this spell and may choose a new target for that copy.

When this creature enters, create a Treasure token. (It's an artifact with ", Sacrifice this token: Add one mana of any color.")
Whenever another creature you control enters, you gain 1 life.

, Sacrifice this creature: Return up to one target artifact card and up to one target enchantment card from your graveyard to your hand.

Target player sacrifices a creature of their choice.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Whenever equipped creature attacks alone, it gets +1/+1 until end of turn for each other creature you control.
Equip (: Attach to target creature you control. Equip only as a sorcery.)

When this enchantment enters, exile target creature an opponent controls with mana value 3 or less.
When this enchantment leaves the battlefield, target opponent creates a 3/3 green Dinosaur creature token with trample.

Hexproof, reach

Rally — Whenever this creature or another Ally you control enters, creatures you control gain first strike until end of turn.

Create X 1/1 red Elemental Cat creature tokens with haste. Exile them at the beginning of the next end step.
Flashback—, Sacrifice X Mountains. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Flying
: Target creature an opponent controls attacks this turn if able.
, : Attacking creatures get -1/-1 until end of turn.

Equipped creature gets +1/+1 and has all names of nonlegendary creature cards in addition to its name.
Equip

Put a +1/+1 counter on each creature you control.

Soulbond (You may pair this creature with another unpaired creature when either enters. They remain paired for as long as you control both of them.)
As long as this creature is paired with another creature, both creatures have lifelink.

, Sacrifice an artifact: Draw a card.

First strike, protection from red

Banding (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)
Cumulative upkeep (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 this creature enters, choose target face-up exiled card. Its owner shuffles it into their library.

Target player shuffles up to three target cards from their graveyard into their library.
Draw a card.
When this card is put into your graveyard from your library, shuffle your graveyard into your library.

, , Sacrifice this creature: Return target creature card from your graveyard to the battlefield. That creature gains haste. At the beginning of the next end step, sacrifice it.

Whenever this creature attacks or blocks, other Humans you control get +1/+1 until end of turn.

Whenever equipped creature attacks, double its power until end of turn.
Equip