Who We Are
Commander AI ("we", "us", "our") is operated by
Sierra Story Co. LLC. Our website is
mtgcommander.ai. We provide an AI-powered
Commander deck building tool for Magic: The
Gathering players.
What Data We Collect
- Account information: Email
address and authentication credentials when
you create an account (via email/password,
Google, Discord, or Twitch OAuth).
- Deck data: Card lists,
commander choices, and deck names you create
or import.
- Conversation history: Messages you send to the AI assistant and
the AI's responses.
- Payment information: Processed by Stripe. We do not store credit
card numbers.
- Usage data: Pages visited,
features used, and conversation analytics
for service improvement.
How We Use Your Data
- Provide and improve the deck building
service
- Process payments and manage subscriptions
- Send your deck data and questions to
Anthropic's Claude AI for analysis and
recommendations
- Show marketplace pricing from Mana Pool
- Track costs and usage for service operations
Third-Party Services
We share data with these services to operate:
- Supabase — Authentication
and database hosting
- Anthropic (Claude) — AI
analysis of your deck data and questions
- Stripe — Payment processing
(subscription billing)
- Mana Pool — Card pricing
and availability data
- Railway — Application
hosting
- Cloudflare — CDN and DNS
We do not sell your personal data to any third
party.
Affiliate Disclosure
We participate in the Mana Pool affiliate
program. When you purchase cards through links on
our site, we earn a commission at no extra cost to
you. We only recommend products and tools we
believe are genuinely useful for deck building.
Cookies
We use only essential cookies for authentication
(maintaining your login session). We do not use
analytics, advertising, or tracking cookies.
Your Rights
You can:
- Access your data (view your decks,
conversations, and account info)
- Delete your account and all associated data
(contact us)
- Export your deck data
- Cancel your subscription at any time from
Account settings
Data Retention
We retain your data for as long as your account
is active. If you delete your account, we remove
your personal data within 30 days. Anonymized
usage data may be retained for service
improvement.