Mowu, Loyal Companion may not be the most competitive commander, but just look at those eyes! Who could resist?
Besides, there's plenty of tools available for a casually-minded mono-green +1/+1 deck. Throw counters on everything with Ivy Lane Denizen, Ridgescale Tusker and Vigor, then go nuts with Jiang Yanggu, Wildcrafter and proliferate cards.
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