| Name | Image | Rarity | Type | Cost | Description |
|---|
| Defend |  | Basic | Skill | 1 | Gain 5 (8) Block. |
| Pearl |  | Basic | Skill | | Deep. (not Deep.) Unplayable. When you draw this card, gain [B]. |
| Strike |  | Basic | Attack | 1 | Deal 6 (9) damage. |
| Hook |  | Special | Skill | 0 | Retain. Return a card from your discard pile to your hand (and Upgrade it for this combat). Exhaust. |
| Abyss Scales |  | Common | Skill | 1 | Deep. Gain 10 (13) Block. |
| Anemone |  | Common | Skill | 1 | Draw 3 (4) cards. Gain Entangled. |
| Brine Blast |  | Common | Attack | 2 | If the target is at or below 50% HP, apply 2 Weak. Deal 14 (18) damage. |
| Bubble |  | Common | Attack | 0 | Deal 6 damage. Gain 1 (2) Swim. Exhaust. |
| Cloister |  | Common | Skill | 0 | Gain 3 (4) Block. If Entangled, gain 3 (4) additional Block. |
| Float |  | Common | Skill | 1 | Gain 6 (8) Block. Gain 2 (3) Swim. |
| Harpoon Shot |  | Common | Attack | 1 | Deal 9 (12) damage. Put a random Attack from your draw pile into your hand. |
| Net Cast |  | Common | Skill | 1 (0) | Apply 1 Weak and 3 Vulnerable. Gain Entangled. |
| Nibble |  | Common | Attack | 1 | Gain 3 (4) Block. Deal 3 (4) damage. Next turn, gain [B] ([B]). |
| Patrol |  | Common | Skill | 1 | Gain 6 (8) Block. Add a Depth Charge (Charge+) to the bottom of your draw pile. |
| Plant |  | Common | Skill | 1 | Apply 20 (25) Mines. |
| Puddle |  | Common | Skill | 1 | Gain 3 (4) Swim. |
| Razor Fin |  | Common | Attack | 1 | Deal 7 (8) damage. Gain 1 (2) Thorns. |
| Rope Lash |  | Common | Attack | 1 | Deal 7 (10) damage. A random Attack in your hand costs 0 until played. |
| Shore Scales |  | Common | Skill | 1 | Innate. Gain 8 (11) Block. |
| Shrimpy Strike |  | Common | Attack | 1 | Frozen. (not Frozen.) Deal 4 damage (!M! times). If Fatal, Upgrade this card permanently. (not If Fatal, Upgrade this card permanently.) |
| Stone Aged |  | Common | Attack | 1 | Frozen. Deal 2 damage. When you draw this card, increase its damage by 7 (10) this combat. |
| Torpedo Strike |  | Common | Attack | 1 | Deep. Deal 12 (16) damage. |
| Wrap |  | Common | Attack | 1 | Deal damage equal to your Thorns 2 (3) times. |
| Wring Out |  | Common | Attack | 0 | Deal 7 (10) damage. Lose ALL your Swim. |
| Ahoy |  | Uncommon | Power | 1 (0) | Innate. Gain 3 Strength. The next time you shuffle your draw pile, lose 3 Strength. |
| Algae Bloom |  | Uncommon | Skill | 0 | Retain. Gain [B]. Add a Slimed to the bottom of your (not to the bottom of your)NL draw pile (into your hand). |
| Black Lagoon |  | Uncommon | Power | 1 (0) | Whenever you play an Attack, gain 2 Block. |
| Blown Out |  | Uncommon | Skill | 1 | Add 3 (4) Depth Charges to the bottom of your draw pile. |
| Bombs Away |  | Uncommon | Power | 1 | (Innate.)At the start of your turn, add a Depth Charge+ to the bottom of your draw pile. |
| Bright Scales |  | Uncommon | Skill | 1 | Gain Block equal to your Swim +5 (+8). |
| Cephalopod |  | Uncommon | Power | 1 (0) | Whenever you end your turn Entangled, gain 1 Strength and Dexterity. |
| Chitin |  | Uncommon | Skill | 2 | Gain 14 (16) Block. Increase this card's Block by 3 (4) this combat. |
| Compression |  | Uncommon | Attack | 1 | Deal 2 damage for each card in your hand (+4). Shuffle this card into your draw pile. |
| Dark Waters |  | Uncommon | Skill | 0 | Innate. Gain 3 (4) Swim. Gain Entangled. Exhaust. |
| Demolish |  | Uncommon | Attack | 2 | Double the target's Mines. Deal 16 (22) damage. |
| Deploy |  | Uncommon | Skill | 1 | Gain 8 (10) Block. Apply 10 (15) Mines to ALL enemies. |
| Detonate |  | Uncommon | Attack | 1 | You do not take damage from Mines this(for 2) turn(s). Deal 8 damage. |
| Dirty Bomb |  | Uncommon | Skill | 1 | Apply 10 Mines. The next (!M!) time(s) you attack the enemy, Mines are not removed. |
| Drowning Pool |  | Uncommon | Power | 0 | Whenever you play a Deep card, deal 6 (9) damage to ALL enemies. |
| Fiery Fish |  | Uncommon | Attack | 2 | Deal 7 damage to ALL enemies twice. Unfreeze a (ALL the) card(s) in your hand. |
| Frozen Solid |  | Uncommon | Skill | 1 | Gain 4 (5) Plated Armor. Freeze this card. |
| Gone Fishin' |  | Uncommon | Skill | | Unplayable. When you draw this card, add a (an Upgraded) Hook into your hand. |
| Iceberg |  | Uncommon | Power | 2 (1) | Attacks Retain. |
| Icicle Wall |  | Uncommon | Skill | 2 | Freeze any number of cards in your hand. Gain 6 (7) Block and 1 Thorns for each. |
| Icy Scales |  | Uncommon | Skill | 1 | Frozen. Gain 14 (18) Block. |
| Ink Cloud |  | Uncommon | Power | 1 | (Innate.)At the start of your turn, gain 8 Block if being attacked, and gain Entangled otherwise. |
| Lure |  | Uncommon | Skill | 1 | If the enemy intends to attack, gain 3 (4) Thorns. |
| Maelstrom |  | Uncommon | Skill | X | Gain 3 Swim X (X+1) times. Exhaust. |
| Minefield |  | Uncommon | Power | 2 | At the start of your turn, apply 15 (20) Mines to ALL enemies. |
| Mop Up |  | Uncommon | Attack | 1 | Deep. If the target is at or below 50% HP, gain [B] and draw 1 card. Deal 10 (13) damage. |
| Rising Tides |  | Uncommon | Skill | 0 | Put 1 (any number of) card(s) from your hand on the bottom of your draw pile. Draw (, then draw) 1 card (for each). Exhaust. |
| Rogue Wave |  | Uncommon | Attack | 3 | Deal 16 (20) damage to ALL enemies. Gain 3 (4) Swim. |
| Sabotage |  | Uncommon | Skill | 0 | If the target is at or below 50% HP, it loses 6 (9) Strength this turn. |
| Sonar Sweep |  | Uncommon | Skill | 0 | Draw 2 (3) cards. You and ALL enemies gain 1 Vulnerable. Exhaust. |
| Surf |  | Uncommon | Attack | 0 | Deal 6 (9) damage to ALL enemies. Trigger ALL your Swim. |
| Tentacle Slap |  | Uncommon | Attack | 0 | Deal 3 (5) damage. Gain Entangled. Add a Hook into your hand. |
| Up To Speed |  | Uncommon | Skill | 0 | Next turn, draw 2 additional cards. Exhaust. (not Exhaust.) |
| Waterborne |  | Uncommon | Power | 1 | At the start of your turn, gain 1 (2) Swim. |
| Yo Ho Ho |  | Uncommon | Power | 1 (0) | Innate. Gain 2 Dexterity. The next time you shuffle your draw pile, lose 2 Dexterity. |
| Ancient Nuke |  | Rare | Skill | 1 | Frozen. Apply 50 (60) Mines to a random enemy. |
| Avidity |  | Rare | Power | 1 | (Innate.)Whenever you gain Swim, trigger it. |
| Bacteria |  | Rare | Power | 2 (1) | Whenever you Exhaust a card, you may Exhaust another card from your hand. |
| Barnacle Blitz |  | Rare | Attack | 1 | Deal 10 (14) damage. Draw 2 Cards. Gain 2 Swim. Freeze this card. |
| Clone |  | Rare | Skill | 1 (0) | Pick a card from your hand. Put it and a copy of it on the bottom of your draw pile. Exhaust. |
| Coral Scales |  | Rare | Skill | 1 | Gain 10 (13) Block. Gain 1 Thorns for ALL your cards containing "Scales". |
| Dive |  | Rare | Skill | 1 (0) | Innate. Put a Deep card from your draw pile into your hand. Exhaust. |
| Egg Clutch |  | Rare | Power | 1 | Deep. At the end of 2 turns, gain 3 (4) Strength and Dexterity. |
| Feeding Frenzy |  | Rare | Attack | 2 | Deep. Deal 12 (16) damage. For every 4 (3) cards in your deck (not draw pile), heal 1 HP. Exhaust. |
| From Below |  | Rare | Attack | 1 | Deep. Deal 4 (6) damage twice. Gain 2 Strength. Shuffle this card into your draw pile. |
| Rebreather |  | Rare | Skill | 0 | Deep. Gain [B] [B] ([B]). Add a Hook to your hand. Exhaust. |
| Rejuvenate |  | Rare | Skill | 2 | Next turn, gain Block equal to your current Block. Exhaust. (not Exhaust.) |
| Shipwreck |  | Rare | Attack | 2 | Deal 8 (12) damage. Put as many 0 cost cards from your draw pile into your hand as possible. |
| Squid Form |  | Rare | Power | 3 | Attacks cost 0. Whenever you play 3 (4) Attacks in a turn, gain Entangled. |
| Steel Wave |  | Rare | Attack | 1 | Gain 8 (10) Block. Deal 8 (10) damage. |
| Sunken Chest |  | Rare | Skill | 1 | Deep. (Remove ALL your debuffs.)Gain 2 Artifact. Exhaust. |
| Swift Swim |  | Rare | Power | 2 (1) | Swim draws an additional card. |
| The Kraken |  | Rare | Attack | 2 | Deep. Frozen. Deal 22 (28) damage. Gain [B] [B]. |
| Tsunami |  | Rare | Skill | 2 | Gain 7 (10) Swim. |
| Typhoon |  | Rare | Attack | X | (Innate.)Deal 8 damage and apply 1 Weak to ALL enemies X times. Exhaust. |
