UpgradeAllCards

Upgrade All Cards + Auto Eggs
Start every run with a fully upgraded deck and all three egg relics. Any new cards you pick up during the run are automatically upgraded by the eggs.
Features

• Upgrades all starting cards — your entire starting deck is fully upgraded at the start of each run
• Grants Frozen Egg, Molten Egg, and Toxic Egg — all new Attack, Skill, and Power cards you acquire mid-run are automatically upgraded
• Removes eggs from the relic pool — you won't find duplicate eggs from chests, shops, or events

Installation

1. Extract the zip into your game's mods/ folder (e.g., Steam\steamapps\common\Slay the Spire 2\mods\)
2. You should have UpgradeAllCards.dll and UpgradeAllCards.pck in the mods folder
3. Launch the game and click "Yes" when asked to load mods

Compatibility

• Works with the game's native mod loading system — no external mod loader required
• Compatible with all other mods
• Recommended: use with UnifiedSavePath to keep your progression while playing with mods

Only tested in windows + single player.

https://github.com/luojiesi/SLS2Mods/tree/master