Games like Mystic Vale
Games like Mystic Vale include Armello, Balatro, Slay the Spire, Talisman: Digital Classic Edition, and Gremlins, Inc.. We matched them by the tags players give Mystic Vale on Steam (Deckbuilding, Strategy, Card Game, Board Game, and Indie): closest matches first, and among equally close ones the better-known games.

Armello
Shared: Board Game · Card Game · Strategy

Balatro
Shared: Card Game · Deckbuilding · Strategy

Slay the Spire
Shared: Card Game · Deckbuilding · Strategy

Talisman: Digital Classic Edition
Shared: Strategy · Board Game · Indie

Gremlins, Inc.
Shared: Board Game · Card Game · Strategy

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

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

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

Dota Underlords
Shared: Strategy · Casual · Turn-Based

100% Orange Juice
Shared: Board Game · Strategy · Card Game

Wingspan
Shared: Card Game · Board Game · Strategy

Library Of Ruina
Shared: Card Game · Strategy · Deckbuilding

Rento Fortune: Online Dice Board Game (大富翁)
Shared: Strategy · Board Game · Card Game

UNO
Shared: Card Game · Board Game · Strategy

Through the Ages
Shared: Strategy · Board Game · Card Game

Monster Train 2
Shared: Card Game · Deckbuilding · Strategy

Faeria
Shared: Strategy · Card Game · Indie

Dune: Imperium
Shared: Strategy · Deckbuilding · Board Game

Root
Shared: Strategy · Board Game · Turn-Based Strategy

RACCOIN: Coin Pusher Roguelike
Shared: Strategy · Deckbuilding · Turn-Based Strategy

Infinity Wars: Animated Trading Card Game
Shared: Strategy · Card Game · Deckbuilding

Roguebook
Shared: Deckbuilding · Card Game · Indie

Stacklands
Shared: Card Game · Strategy · Deckbuilding

Across the Obelisk
Shared: Card Game · Deckbuilding · Turn-Based Strategy