THE OPPONENT ROSTER

Opponent Deck Library

Learn how 13 decks turn individual cards into a strategy. Normal and Hard use the same recipes.

King Crab

Challenger · Water · Crab swarm

Court of the Tides

A resilient crab court grows behind its king, with tidecallers and sea monsters in reserve.

Playing against it: The king makes every crab more dangerous. Save removal for the cards supporting the swarm.

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Total cards
24
Unique cards
10
Average mana
2.6
Costs 1–2 mana
15
Challenger · 0.8% simulated win rate

Based on 2,400 Hard AI games against the other 12 decks, with both starting positions. 275 unfinished games are excluded; counting them as losses or wins gives a 0.7–12.1% range.

Challenger: below 40% · Veteran: 40% to under 70% · Master: 70% or higher. Measured 2026-09-28. These tiers guide opponent selection; your deck and decisions can change the matchup.

Full deck

Sorted by mana · Copies shown on each card

Crab

Doomed Crabs

Defenseless

Death Revive Doomed Crabs

1
water
0
1
Crab

Pathetic Crab

Entry Give crab allies +0/+1

1
water
1
1

Coral Guardian

Entry Gain +0/+1 for each ally

2
water
2
1

Sea Sprites

Attack Draw a card

2
water
1
2

Swamplurker

Block Gain +2/+0 until next round

2
water
2
3

Enchanting Tidecaller

Entry Fully heal an ally, and remove afflictions

3
water
2
3
Crab

King Crab

Passive Give crab allies +1/+0

4
water
3
2

Tidehunter

Attack Strike a random enemy

4
water
3
4

Ocean Dragon

Entry Remove buffs from all enemies

6
water
2
8

Leviathan of the Abyss

Entry Remove an enemy's buffs and keywords

7
water
6
6

Some card details use the saved catalog from 2026-09-22.