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While it may not deserve to be called the fifth-best Black card in cEDH, I think its close

It pairs nicely with token generators and with death payoffs like Mirkwood Bats, Pitiless Plunderer, and Zulaport Cutthroat, and its forestwalk ability has synergies with Toski, The Odd Acorn Gang, and other creatures that care about dealing combat damage to a player

Sword of the Squeak is a great piece of equipment for your squirrel deck, since it cares about base power and toughness, not the total after your squirrel lords are in play

Then you may sacrifice this land

How might you go about that

You might not find yourself assembling Tron often in Commander, but the format has so much ramp that you can play this colorless planeswalker with little trouble