That's really good, and 6 mana in Commander is mid to late game
5: You may put a creature card with mana value less than or equal to the number of lands you control onto the battlefield from your hand or graveyard with two +1/+1 counters on it
I haven't watched the show this is based on
Its a single Selesnya commander that can buff your creatures, create tokens, and even sacrifice itself to protect your tokens with hexproof and indestructible

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With a core of Fable of the Mirror-Breaker, Bloodtithe Harvester, Corpse Appraiser plus a suite of removal, permission and discard, its going to take a lot to break into this archetype