Tayam is a super fun commander - there are plenty of graveyard recursion commanders, but Tayam works in a quirky way that I just really dig. Stuff like Muldrotha is very cEDH and I dunno. Tayam is just cool - I'm also the only one I've ever seen play a deck with her. The way this is built, you also get the benefit of having most of the deck under 3 MV.

Here's how it works: get creatures out onto the board and start piling counters on to them - +1/+1 counters are the standard, but Tayam's vigilance counters get spread around too. There aren't too many cards in the deck that Tayam can't recycle, so once you get her out onto the board you can start plucking counters off and building the board - she recurs to the battlefield so you can have the ETB goodness too. Eventually you want to get something like Song of Freyalise or Vastwood Surge (along with Gnarlid Colony/Pridemalkin and like Unbreakable Formation) and have your crew all +1/+1'd out and swing for lethal.

It's admittedly a little bit of a shaky plan, but I have such an affinity for this deck as it was pretty much brewed from scratch and has done a lot of cool stuff in its lifetime. Also, Wizards loves counters and keeps printing cool toys for this deck and will probably keep doing it for years to come.

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This deck, as currently constructed, has the potential to do some crazy things. But I keep feeling like it would be better to really go all-in on the Tayam recycling engine; it just seems like there are too many 4+ CMCs to roll over when digging. The good part about Tayam is that you can always grab a land, so you're ramping for 3 mana if nothing else. And since it's EDH, paying 3 to ramp is usually a decent option.

A couple of cards will solve some major issues, and they should be on their way - Branching Evolution is one, because it's a counter doubler that's Tayam-eligible, and Eternal Witness is the other, because it is also Tayam-eligible and recurs stuff that Tayam can't. Doubling Season/Primal Vigor will also be nice, since every kind of counter is being doubled. The stuff I don't have yet, even on the way, would be a KHM Vorinclex and a Luminous Broodmoth, both of which fit in very nicely; the Broodmoth especially so since it adds counters and works beautifully with things dying. (Should make a note that Abzan Falconer is a nonbo with the Broodmoth. Just in case I pick one up.)