Pricing And Export

Fix: Look up full name on Scryfall, update deck file with // separator, re-fetch and re-price.

Moxfield Export

npm run export <deck-file>                   # Export to .moxfield.mtg
npm run export <deck-file> custom-output.txt # Custom output path

Features:

• Converts ## Category Name to // Category Name comments
• Strips header comments, stats, description sections
• Handles both 1 Card Name and 1x Card Name formats
• Preserves // separator for double-faced cards

When to use: After building a deck, sharing online, before major changes (backup).

Shopping List Generator

npm run shopping-list <deck-file> [output-file]

Checks collection ownership, fetches prices, organizes by price tier:

• High-End ($20+), Mid-Range ($5-20), Budget (<$5)
• Total cost, ownership summary

Hypergeometric Probability Calculator

Calculates probabilities for drawing specific cards.

# Basic: probability of 2-4 lands in opening hand (38 lands, 100 cards)
npm run hyper -- --target 38 --draw 7 --between 2 4

# Exactly 3 lands in opening hand
npm run hyper -- --target 38 --draw 7 --exactly 3

# At least 3 Swamps by turn 5 (21 Swamps, 12 cards seen)
npm run hyper -- --target 21 --draw 12 --at-least 3

# Multi-group: 2-4 lands AND 1+ ramp in opening hand
npm run hyper -- --draw 7 --group 38 2 4 --group 8 1

# Combo: at least 1 of each piece by turn 8
npm run hyper -- --draw 15 --group 3 1 --group 2 1

Parameters:

• -d, --deck N - Total cards (default: 100)
• -t, --target K - Target cards in deck
• -n, --draw n - Cards drawn (default: 7)
• -e, --exactly k - Exactly k targets
• -al, --at-least k - At least k targets
• -am, --at-most k - At most k targets
• -b, --between k1 k2 - Between k1 and k2 targets
• -g, --group <count> <min> [max] - Multi-group (repeatable)

MTG Turn Reference (cards seen):

When to use: Land counts, mulligan decisions, combo consistency, commander cast timing.

Pauper Commander

Workflow:

1. npm run pauper:collection - Filter collection by rarity (uncommon commanders, common cards)
2. Build deck using regular workflow with filtered collection
3. npm run pauper:validate <deck-file> - Validate Pauper Commander rules
4. npm run pauper:validate <deck-file> --1v1 - Validate for 1v1 format

Format Rules:

• Commander: Uncommon creature (legendary or non-legendary)
• Deck: 99 unique common cards (excluding basic lands)
• Life total: 30 (multiplayer) or 25 (1v1)
• Commander damage: 16 (multiplayer only)
• Banned: Mystic Remora, Rhystic Study (+ additional 1v1 bans)

Budget Adjustments Workflow

1. npm run price <deck-file> - Identify expensive cards
2. Create budget variant: YYYYMMDD-budget.mtg with swaps documented in header
3. Validate: npm run analyze + npm run count
4. Update deck file with pricing/validation results