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Pokémon TCG deck builder + playtest sim

Build a deck. Test it. See where it breaks.

Real engine. Honest sample sizes. Built for the player, not the search engine.

Sign in to build, test, and tune your decks. An account keeps your work in one place.

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  • Build a deck Compose a Standard-legal list, or get one from the cards you own
  • Test it Run it against the current meta. Real engine, honest sample sizes.
  • Browse the pool Search every supported card, print-accurate
Matchup matrix win-rate, your deck vs the field Illustrative preview · live results when you run a sim
Representative win-rate matrix. Rows are your deck; columns are opponent decks. Numbers are illustrative percentages, replaced by live simulation results when a sim is run.
Your deckvs Dragapultvs Raging Boltvs Lopunny
Dragapult ex50.0% 56.4% 47.2%
Raging Bolt ex43.6% 50.0% 61.8%
Mega Lopunny ex52.8% 38.2% 50.0%

Based on 2,000 representative games · ±1.1 variance band. The simulator does not yet run live on this page.

One account. Everything in one place.

For pack openers

Paste what you own. tcgslayer recommends a Standard-legal deck you can build with it, with the missing cards priced to complete.

Sign in to build from your cards
For creators

Embed replays. Stream bot-vs-bot matches. Built for 1080p capture; tabular nums survive video compression.

What is supported

Unofficial fan project. Not affiliated with, endorsed, sponsored, or specifically approved by Nintendo, The Pokémon Company, Creatures Inc., or GAME FREAK inc. Pokémon and all related marks are trademarks of those companies.