DeckFinder
Magic: The Gathering collection tool

Know what you can build.

DeckFinder turns your collection into deck coverage — for Commander, every constructed format, and MTG Arena. See which decks you're closest to finishing, what's missing, and the cheapest way to get there.

No credit card · your collection stays private · export or delete it anytime

Your commander coverage
from 1,781 cards
Krenko, Mob Boss 88% · 87/99
Atraxa, Praetors' Voice 71% · 64/99
Meren of Clan Nel Toth 58% · 52/99
Edgar Markov 44% · 41/99
↻ Owned substitute — play Arcane Signet in place of the Fellwar Stone you're missing.
One collection, every format
Commander Standard Pioneer Modern Legacy Vintage Pauper Historic Alchemy Explorer Timeless
Commander coverage

Rank every legendary creature you own by how much of its typical EDHREC decklist your collection already covers.

Owned-card substitutes

Missing a staple? See cards you already own that fill the same role, scored by how well they fit.

Constructed & Arena meta

Copy-aware coverage of the live MTGGoldfish metagame — Standard, Modern, Pauper, Historic, Alchemy and more.

Deck builder + saved decks

Build from a card pool or a meta list, save decks to your account, and export to text or TCGplayer.

Import from anywhere

Archidekt, Moxfield, Manabox, TCGplayer CSV, or an MTG Arena list. Paper and Arena kept as separate collections.

Yours & private

Your collection is tied to your account, never shared or sold. Export it as CSV or delete everything anytime.

Three steps

1
Import your collection

Upload a CSV from your collection manager, or paste an MTG Arena list. Takes seconds.

2
Pick a format

Commander, or any constructed / Arena format. Each reads the right collection.

3
See coverage & build

Find the decks you can almost build, swap in owned substitutes, and get the cheapest path to finish.

Turn your collection into decks.

Sign in, import your cards, and see what you can build tonight.

Get started — free