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Another thing you can do is use the card for pure collection sake

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Perhaps when most of the key cards reach $10k or so you might hit a bit of a stall point, so theres still a lot of room for growth

You can certainly run this Balrog as your commander and do Dargo tricks, but I think it works just fine as a card in your 99 and played fairly, especially if you have ways to bring creatures back from the graveyard

Probably can put in some work in limited formats too