Yu gi oh - Duel Monster ( 1350+ playable cards )

Update Notes — Ancient Sanctuary & Drop Configuration

New expansion: Ancient Sanctuary (AST)

The catalog grows from 1,242 to 1,354 cards with Ancient Sanctuary (June 2004), the mod's twelfth expansion. 112 new cards (64 Monsters, 28 Spells, 20 Traps), full artwork and EN/FR text, 100% coded effects, and a new craftable booster. Five new engine hooks were added for card texts with no prior equivalent (shuffled battle-destroyed monsters, per-side draw restriction, Spell cost waiver, per-side Trap exemption, forced Special Summon right).

New prebuilt decks (5)

Fifteen decks total now (up from ten): Starter Deck Joey/Pegasus/Yugi Evolution/Kaiba Evolution (real products, 50 cards each) plus a brand-new Structure Deck: The Sanctuary in the Sky — a custom 40-card deck built entirely from Ancient Sanctuary cards that never existed in the real TCG.

New: in-game drop configuration commands

Drop odds are now runtime-configurable via /yugioh drops (op-only), persisting to config/yugioh-common.toml: rare-card chance, booster chance, deck chance, boss booster/deck counts, and a reset. Deck chance can't be set above booster chance (guards against a dead-code config)