As an additional cost to cast this spell, discard X creature cards.

Return X target creatures to their owners' hands.

, Exile cards from your graveyard equal to the number of opponents you have: Target creature card in your graveyard gains encore until end of turn. The encore cost is equal to its mana cost. (Exile the creature card and pay its mana cost: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.)

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

Other creatures you control have prowess. (If a creature has multiple instances of prowess, each triggers separately.)

Whenever you cast a noncreature spell, target creature you control can't be blocked this turn.

Flying

Heroic — Whenever you cast a spell that targets Chorus of the Tides, scry 1. (To scry 1, look at the top card of your library, then you may put that card on the bottom.)

This spell has flash as long as you control a Merfolk.

Return target creature to its owner's hand.

Draw a card.

Creatures don't untap during their controllers' untap steps.

At the beginning of each player's upkeep, that player may choose any number of tapped nongreen creatures they control and pay for each creature chosen this way. If the player does, untap those creatures.

Floodtide Serpent can't attack unless you return an enchantment you control to its owner's hand. (This cost is paid as attackers are declared.)

As long as Grist, the Hunger Tide isn't on the battlefield, it's a 1/1 Insect creature in addition to its other types.

+1: Create a 1/1 black and green Insect creature token, then mill a card. If an Insect card was milled this way, put a loyalty counter on Grist and repeat this process.

−2: You may sacrifice a creature. When you do, destroy target creature or planeswalker.

−5: Each opponent loses life equal to the number of creature cards in your graveyard.

You may cast this card as though it had flash if you pay more to cast it. (You may cast it any time you could cast an instant.)

When this creature enters, you may return target tapped creature an opponent controls to its owner's hand.

Trample

Daybound (If a player casts no spells during their own turn, it becomes night next turn.)

Until end of turn, whenever a player taps an Island for mana, that player adds an additional .

Whenever you cast a spell, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

When Kiora enters, draw two cards, then discard two cards.

Threshold — Whenever Kiora attacks, if there are seven or more cards in your graveyard, you may create Scion of the Deep, a legendary 8/8 blue Octopus creature token.

Choose a card name, then target player mills a card. If a card with the chosen name was milled this way, you gain life equal to its mana value.

Draw a card.

Equipped creature gets +1/+2.

Whenever you draw your second card each turn, attach Mantle of Tides to target creature you control.

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

During each of your turns, you may play a land and cast a permanent spell of each permanent type from your graveyard. (If a card has multiple permanent types, choose one as you play it.)

This spell can't be countered.

You have no maximum hand size.

Whenever an opponent casts a noncreature spell, draw a card.

Discard three cards: Exile Nezahal, Primal Tide. Return it to the battlefield tapped under its owner's control at the beginning of the next end step.

Razortide Bridge enters tapped.

Indestructible

: Add or .

Return target creature card from your graveyard to the battlefield. If it's an Elf, create two 1/1 green Elf Warrior creature tokens.

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

Protection from Beasts

Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

, Sacrifice Riptide Chronologist: Untap all creatures of the creature type of your choice.

, : Draw a card for each Wizard you control.

: Add .

, : Return target Wizard you control to its owner's hand.

Whenever Riptide Pilferer deals combat damage to a player, that player discards a card.

Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

, Sacrifice Riptide Shapeshifter: Choose a creature type. Reveal cards from the top of your library until you reveal a creature card of that type. Put that card onto the battlefield and shuffle the rest into your library.

Flash

Defender

Whenever you cast a kicked spell, Risen Riptide has base power and toughness 5/5 until end of turn.

When Rushing-Tide Zubera dies, if 4 or more damage was dealt to it this turn, draw three cards.

: Return Sliptide Serpent to its owner's hand.

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)

All lands are Islands in addition to their other types.

Creatures without flying or islandwalk can't attack.

Fathomless descent — All creatures get -X/-X until end of turn, where X is the number of permanent cards in your graveyard.

Devoid (This card has no color.)

Other colorless creatures you control get +0/+1.

Kicker (You may pay an additional as you cast this spell.)

When Tide Shaper enters, if it was kicked, target land becomes an Island for as long as Tide Shaper remains on the battlefield.

Tide Shaper gets +1/+1 as long as an opponent controls an Island.

When Tidebinder Mage enters, tap target red or green creature an opponent controls. That creature doesn't untap during its controller's untap step for as long as you control Tidebinder Mage.

: Add .

When Tidehollow Sculler enters, target opponent reveals their hand and you choose a nonland card from it. Exile that card.

When Tidehollow Sculler leaves the battlefield, return the exiled card to its owner's hand.

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

Flying

Whenever you cast a spell, return target permanent to its owner's hand.

Defender (This creature can't attack.)

: Tidewater Minion loses defender until end of turn.

: Untap target permanent.

Flash

When Tishana's Tidebinder enters, counter up to one target activated or triggered ability. If an ability of an artifact, creature, or planeswalker is countered this way, that permanent loses all abilities for as long as Tishana's Tidebinder remains on the battlefield. (Mana abilities can't be targeted.)

: Add . Spend this mana only to cast an instant or sorcery spell or a kicked spell.