Card-Forge/forge

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An unofficial rules engine for the world's greatest card game.

Stars: 2.7k
Forks: 1.1k
Open beginner issues: 0
Indexed issues: 489
Avg merge: 22h 36m
Merged PRs (30d): 168

Dominant language: Java
License: GPL-3.0
Last GitHub push: Sep 18, 2026
Latest indexed: Sep 15, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: good first issue

Open All

487 open issues indexed

AI doesn't cast Boltwave while the player has more than 5 hp Open

AI keep

Card-Forge/forge#6601 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
AI equips Adventuring Gear after playing a Land Open

AI keep

Card-Forge/forge#6608 · 2 comments · 1 reaction · 2 assignees · Indexed Sep 15, 2026
AI casts noncreature spells after combat with "prowess" creatures on the battlefield Open

AI keep

Card-Forge/forge#6617 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Charred Foyer // Warped Space enchantment failing to interact with cards exiled with Laughing Jasper Flint Open

BUG keep

Card-Forge/forge#6633 · 2 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Move CantBlock Additional Text from getAbilityText to getNonAbilityText Open

Game Mechanics GUI keep

Card-Forge/forge#6670 · 0 comments · 0 reactions · 2 assignees · Indexed Sep 15, 2026
Jace, the perfected mind has wrong spell description. Open

GUI keep

Card-Forge/forge#6689 · 6 comments · 0 reactions · 3 assignees · Indexed Sep 15, 2026
AI doesn't use cards like Undying Malice Open

AI keep

Card-Forge/forge#6697 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
AI doesn't activate ability of Catapult Captain Open

AI keep

Card-Forge/forge#6719 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Play from top of deck ability allows for scry like effect when the card is unplayable or selected to cast then canceled. Open

BUG Game Mechanics keep

Card-Forge/forge#6725 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Sen Triplets able to cast other player's Commanders. [Bug} Open

BUG Game Mechanics keep

Card-Forge/forge#6740 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Issue with Marvin, Murderous Mimic not gaining activated abilities from Idris, Soul of the TARDIS Open

BUG Game Mechanics keep

Card-Forge/forge#6756 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Idris & fake trigger Open

Game Mechanics keep

Card-Forge/forge#6769 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
animate Bestow as Static Ability Open

Game Mechanics keep

Card-Forge/forge#6811 · 5 comments · 0 reactions · 2 assignees · Indexed Sep 15, 2026
Use Graveyard LKI when needed Open

Game Mechanics keep Rules compliance

Card-Forge/forge#6812 · 0 comments · 0 reactions · 2 assignees · Indexed Sep 15, 2026
ETB lookahead corner case Open

Game Mechanics keep Rules compliance

Card-Forge/forge#6815 · 2 comments · 0 reactions · 2 assignees · Indexed Sep 15, 2026
Show distinct card type summary in graveyard view Open

GUI keep

Card-Forge/forge#6916 · 4 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Game BUG AFTER (2.0.02-SNAPSHOT-01.25): Battle interface slows down when playing with slivers decks. Open

Game Mechanics keep Performance

Card-Forge/forge#6944 · 9 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Dependency Layer 4 Open

Game Mechanics keep

Card-Forge/forge#7011 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Dependency Layer 6 Open

Game Mechanics keep

Card-Forge/forge#7012 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Tiny Leaders, Unable to assign Background with Commander Open

keep

Card-Forge/forge#7028 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Dependency issue with Ashaya, Soul of the Wild + Dryad of the Ilysian Grove Open

keep

Card-Forge/forge#7031 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Gleemox available in Cube Draft Open

Drafting keep Un-Cards

Card-Forge/forge#7102 · 8 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Proliferating Should Start with a Default Selection of Targets Open

GUI keep Low priority

Card-Forge/forge#7123 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Lifecraft Engine Inconsistent in Creature Type Application Open

Game Mechanics keep

Card-Forge/forge#7128 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Ai able to cast dismember paying 4 life and 1 mana with trinisphere in play Open

AI BUG Game Mechanics keep

Card-Forge/forge#7152 · 4 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Disable alchemy cards and maybe more Open

Game Mechanics GUI keep

Card-Forge/forge#7158 · 5 comments · 6 reactions · 0 assignees · Indexed Sep 15, 2026
Bug with Watcher for Tomorrow and The Master, Formed Anew Open

BUG Game Mechanics keep

Card-Forge/forge#7160 · 1 comment · 0 reactions · 2 assignees · Indexed Sep 15, 2026
Sisters of Stone Death + Menace in front of a Silent Arbiter stuck the game Open

AI Game Mechanics keep

Card-Forge/forge#7191 · 4 comments · 0 reactions · 3 assignees · Indexed Sep 15, 2026
AI casts creatures with haste, which are sacrificed at the end of the turn, while the player has protection from creatures Open

AI Game Mechanics keep

Card-Forge/forge#7335 · 4 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
[Adventure] Objects in cities float above the character's head, while houses are under him Open

Adventure BUG keep

Card-Forge/forge#7351 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[Adventure] Bushes are overlaid on trees Open

Adventure BUG keep

Card-Forge/forge#7352 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 15, 2026
New THISTYPE for Description Open

Game Mechanics keep

Card-Forge/forge#7401 · 12 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Software hangs while switching between user-based and generation-based deck pool options on Commander Open

keep

Card-Forge/forge#7427 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
New BG images Open

GUI Images keep

Card-Forge/forge#7454 · 5 comments · 0 reactions · 2 assignees · Indexed Sep 15, 2026
I want to Maybe-Board. Open

Deck Editor keep Low priority

Card-Forge/forge#7464 · 3 comments · 2 reactions · 0 assignees · Indexed Sep 15, 2026
AI targets creatures other than Crystal Barricade with its damage-dealing spells Open

AI BUG Game Mechanics keep

Card-Forge/forge#7477 · 3 comments · 0 reactions · 2 assignees · Indexed Sep 15, 2026
AI selects the same target for an additional trigger Open

AI keep

Card-Forge/forge#7480 · 2 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
AI sacrifices a token to create the same one, but with summoning sickness Open

AI keep

Card-Forge/forge#7481 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Lifelink does not trigger off of arcbond effect if the creature dies Open

BUG Game Mechanics keep

Card-Forge/forge#7487 · 6 comments · 0 reactions · 2 assignees · Indexed Sep 15, 2026
[Adventure] Warzone Duplicator + Xira's Hive Crash Open

Adventure BUG keep

Card-Forge/forge#7515 · 2 comments · 0 reactions · 4 assignees · Indexed Sep 15, 2026
Add cmcLE in ChooseCardNameEffect and CardFacePredicates Open

Game Mechanics keep

Card-Forge/forge#7580 · 4 comments · 0 reactions · 2 assignees · Indexed Sep 15, 2026
Allow user to select which card displays as the face of a deck Open

GUI keep Low priority

Card-Forge/forge#7583 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 15, 2026
UI_CARD_ART_FORMAT setting for Mobile Missing Open

Android GUI keep

Card-Forge/forge#7612 · 1 comment · 0 reactions · 3 assignees · Indexed Sep 15, 2026
Autopay doesn't work with mana-dorks Open

AI GUI keep Low priority QOL

Card-Forge/forge#7621 · 13 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
AI doesn't cast Titan's Presence Open

AI keep

Card-Forge/forge#7626 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Cleave as Keyword Open

Game Mechanics keep

Card-Forge/forge#7686 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Myr Superion doesn't dissapear when defeated Open

Adventure BUG keep

Card-Forge/forge#7709 · 2 comments · 0 reactions · 1 assignee · Indexed Sep 15, 2026
Doomsday Excruciator causes 67% CPU usage Open

keep

Card-Forge/forge#7749 · 19 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
New ImageKeys Design Hash/Record Open

Game Mechanics GUI keep

Card-Forge/forge#7771 · 15 comments · 0 reactions · 4 assignees · Indexed Sep 15, 2026
Flowstone Blade not used as removal Open

AI keep

Card-Forge/forge#7817 · 7 comments · 0 reactions · 2 assignees · Indexed Sep 15, 2026

Card-Forge/forge

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