Games like Fields of Malice
Games like Fields of Malice include Monster Train, Slay the Spire, Slay the Spire 2, 9 Kings, and Balatro. We matched them by the tags players give Fields of Malice on Steam (Strategy, Auto Battler, Card Game, Roguelike, and Turn-Based Strategy): closest matches first, and among equally close ones the better-known games.

Monster Train
Shared: Card Game · Card Battler · Roguelite

Slay the Spire
Shared: Card Game · Roguelike · Strategy

Slay the Spire 2
Shared: Card Game · Roguelike · Strategy

9 Kings
Shared: Strategy · Auto Battler · Roguelike

Balatro
Shared: Card Game · Roguelike · Strategy

Super Fantasy Kingdom
Shared: Strategy · Auto Battler · Roguelike

Inscryption
Shared: Card Game · Card Battler · Roguelike

Monster Train 2
Shared: Card Game · Roguelike · Strategy

Wildfrost
Shared: Card Game · Card Battler · Roguelike

He is Coming
Shared: Strategy · Auto Battler · Roguelike

The Bazaar
Shared: Strategy · Auto Battler · Card Game

Hadean Tactics
Shared: Auto Battler · Roguelike · Card Game

DICEOMANCER
Shared: Strategy · Card Game · Card Battler

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

LONESTAR
Shared: Strategy · Roguelike · Card Battler

Magic: The Gathering Arena
Shared: Strategy · Card Game · Turn-Based Strategy

Dicey Dungeons
Shared: Card Battler · Roguelike · Strategy

Cross Blitz
Shared: Card Game · Strategy · Roguelite

As We Descend
Shared: Card Game · Roguelike · Card Battler

Dream of Corpse Lady
Shared: Strategy · Card Game · Card Battler

Die in the Dungeon
Shared: Strategy · Roguelike · Card Game

GWENT: Rogue Mage (Single-Player Expansion)
Shared: Strategy · Card Game · Roguelike

Commander Quest
Shared: Strategy · Card Game · Roguelike

Touhou: Lost Branch of Legend
Shared: Strategy · Roguelike · Card Game