Import your deck, choose your goal, and receive clearly explained card swaps tailored to your budget, strategy, and desired play level. Every recommendation comes with a reason — never a checklist of "most played" cards.
Paste a decklist, upload a text file, or start with a commander.
DeckOS reads your whole list and shows the specific gaps — ramp, draw, protection, resilience, win conditions — and why they matter for the way you want to play.
Pick a target bracket, a budget, cards you refuse to lose, and how you feel about infinite combos. Recommendations respect every constraint.
Every swap explains why the current card underperforms, why the new card fits, what synergy is gained, what tradeoff is created, and how it moves the bracket.
Paste a list, upload a plain-text file, or start with a commander. Every card is validated against real Scryfall data.
Choose a target play level, a budget, cards to lock, combo preferences, and playstyle tags. Tell us the main problem you want to fix.
Receive an estimated bracket with confidence, Deck Health, Deck DNA, strengths and weaknesses, and a prioritized swap plan you can accept card by card.
This is how every recommendation is presented in DeckOS.
This land does not produce mana until the player controls five lands, making it unreliable in opening hands and early turns.
Enters untapped, consistently produces mana, and provides repeatable card draw during stalled games.
Mark cards as Must Keep and DeckOS will never remove them, no matter the target bracket.
Set a budget cap. Recommendations, alternates, and totals are always calculated against real prices.
Estimates are shown as estimates. No false precision, no claim that any recommendation is objectively correct.
Every card is validated against Scryfall for legality, color identity, and pricing before it reaches your recommendations.
Start free. Upgrade to DeckOS Pro when you want unlimited analyses, before-and-after comparisons, deck version history, and shareable analysis links.