Decks with Leinore, Autumn Sovereign - Expensive +1/+1 Counters

Leinore, Autumn Sovereign
14 decks (0.000%) Rank #694
MD Alvis
Top 10 Mechanics of 2021!
MD is closing out the year by ranking 2021's new mechanics for their impact (and possibility) in Commander - do you agree with the rankings?
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