Games like Magic of Autumn
Games like Magic of Autumn include Slay the Spire, Inscryption, Slay the Spire 2, Balatro, and Library Of Ruina. We matched them by the tags players give Magic of Autumn on Steam (Card Game, Exploration, Deckbuilding, Card Battler, and Puzzle): closest matches first, and among equally close ones the better-known games.

Slay the Spire
Shared: Card Game · Card Battler · Deckbuilding

Inscryption
Shared: Card Game · Card Battler · Deckbuilding

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

Balatro
Shared: Card Game · Deckbuilding · Turn-Based

Library Of Ruina
Shared: Card Game · Deckbuilding · Turn-Based Combat

Griftlands
Shared: Card Battler · Deckbuilding · Card Game

Roguebook
Shared: Card Game · Deckbuilding · Turn-Based

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

9 Kings
Shared: Card Game · Deckbuilding · Strategy

SteamWorld Quest: Hand of Gilgamech
Shared: Card Game · Card Battler · Turn-Based

Gordian Quest
Shared: Card Game · Card Battler · Turn-Based

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

Tainted Grail: Conquest
Shared: Card Game · Deckbuilding · Turn-Based

Outer Wilds
Shared: Exploration · Mystery · Puzzle

Dicey Dungeons
Shared: Deckbuilding · Card Battler · Card Game

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

Monster Train
Shared: Card Game · Card Battler · Deckbuilding

Shadowverse: Worlds Beyond
Shared: Deckbuilding · Card Battler · Card Game

Magic: The Gathering Arena
Shared: Card Game · Deckbuilding · Strategy

Blue Prince
Shared: Exploration · Puzzle · Mystery

Knock on the Coffin Lid
Shared: Card Game · Card Battler · Deckbuilding

Voice of Cards: The Isle Dragon Roars
Shared: Turn-Based · Card Game · Card Battler

Yu-Gi-Oh! Legacy of the Duelist
Shared: Card Game · Deckbuilding · Card Battler

Wildfrost
Shared: Card Game · Card Battler · Deckbuilding