Games like BattleCards Saga
Games like BattleCards Saga include Slay the Spire, The Bazaar, Slay the Spire 2, 9 Kings, and Balatro. We matched them by the tags players give BattleCards Saga on Steam (Strategy, Auto Battler, Card Battler, Deckbuilding, and Singleplayer): closest matches first, and among equally close ones the better-known games.

Slay the Spire
Shared: Card Battler · Strategy · Deckbuilding

The Bazaar
Shared: Strategy · Auto Battler · Card Battler

Slay the Spire 2
Shared: Strategy · Deckbuilding · Card Battler

9 Kings
Shared: Strategy · Auto Battler · Deckbuilding

Balatro
Shared: Strategy · Deckbuilding · Singleplayer

Super Fantasy Kingdom
Shared: Strategy · Auto Battler · Fantasy

Ratropolis
Shared: Card Battler · Deckbuilding · Strategy

Inscryption
Shared: Card Battler · Deckbuilding · Strategy

Vampire Crawlers: The Turbo Wildcard from Vampire Survivors
Shared: Card Battler · Strategy · Deckbuilding

DICEOMANCER
Shared: Strategy · Card Battler · Deckbuilding

Library Of Ruina
Shared: Strategy · Deckbuilding · Singleplayer

Dicey Dungeons
Shared: Card Battler · Deckbuilding · Strategy

He is Coming
Shared: Strategy · Auto Battler · Fantasy

Stacklands
Shared: Card Battler · Strategy · Singleplayer

Cross Blitz
Shared: Deckbuilding · Strategy · Card Battler

Die in the Dungeon
Shared: Strategy · Deckbuilding · Card Battler

GWENT: The Witcher Card Game
Shared: Strategy · Deckbuilding · Fantasy

Roguebook
Shared: Strategy · Deckbuilding · Singleplayer

Oaken Tower
Shared: Strategy · Auto Battler · Card Battler

Dungeons & Degenerate Gamblers
Shared: Strategy · Deckbuilding · Card Battler

Nubby's Number Factory
Shared: Strategy · Singleplayer · Deckbuilding

Magic: The Gathering Arena
Shared: Strategy · Deckbuilding · Fantasy

Griftlands
Shared: Card Battler · Deckbuilding · Strategy

One Turn Kill
Shared: Strategy · Deckbuilding · Card Battler