Games like Kyvir: Rebirth
Games like Kyvir: Rebirth include Slay the Spire, Slay the Spire 2, Monster Train, Griftlands, and 9 Kings. We matched them by the tags players give Kyvir: Rebirth on Steam (Card Battler, Roguelite, Dungeon Crawler, Card Game, and Turn-Based Strategy): closest matches first, and among equally close ones the better-known games.

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

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

Monster Train
Shared: Card Battler · Roguelite · Card Game

Griftlands
Shared: Card Battler · Roguelite · Card Game

9 Kings
Shared: Strategy · Card Game · Roguelite

Balatro
Shared: Card Game · Roguelite · Strategy

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

Inscryption
Shared: Card Battler · Card Game · Roguelite

For The King II
Shared: Turn-Based Strategy · Strategy · RPG

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

Journey to the West
Shared: Card Battler · Roguelite · Card Game

Trials of Fire
Shared: Card Battler · Roguelite · Dungeon Crawler

Super Fantasy Kingdom
Shared: Roguelite · Strategy · Card Game

Crown Trick
Shared: Dungeon Crawler · Roguelite · Roguelike

Cross Blitz
Shared: Roguelite · Card Battler · Card Game

He is Coming
Shared: Roguelite · Strategy · Dungeon Crawler

HELLCARD
Shared: Card Battler · Roguelite · Dungeon Crawler

Black Book
Shared: Card Battler · Card Game · Dungeon Crawler

Stacklands
Shared: Card Game · Roguelite · Card Battler

Darkest Dungeon®
Shared: Dungeon Crawler · RPG · Roguelike

Mewgenics
Shared: Roguelite · Turn-Based Strategy · RPG

NEOVERSE
Shared: Card Battler · Roguelite · Turn-Based Strategy

Heroes Wanted
Shared: Card Battler · Card Game · Roguelite

Armello
Shared: Board Game · Card Game · Turn-Based Strategy