Doom Does What Doom Wants

Combo finish — 2 complete combos in the deck — e.g. Painter's Servant + Grindstone.
+1/+1 counters — 5 counter cards snowball your board.

Deck has 101 cards — Commander decks are exactly 100 (commander + 99).
Land count (38) fits this curve — ~37 is the target for a 3.14 average MV, and you have 3 cheap ramp pieces on top (41 early mana sources).
Light on ramp (3); aim for ~10 mana rocks/dorks/ramp spells.
Card draw (11) looks solid.

✦ Tune a deck with cards you own

Mauldron suggests specific swaps — cut weaker cards for higher-synergy cards already in your collection. Bring your own list to unlock it.

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38lands

~37recommended

3cheap ramp ≤2

41early sources

2enter tapped

The land target scales with your 3.14 average mana value and cheap-ramp count (each ~3 cheap ramp pieces shaves a land). Tapped-land count is estimated from oracle text.

Land count (38) fits this curve — ~37 is the target for a 3.14 average MV, and you have 3 cheap ramp pieces on top (41 early mana sources).
Curve is well-shaped — 27 early plays (MV ≤2) and 14 at the top end (MV 5+).