They share a lot of overlap as they both care about +1/+1 counters but have some key differences that will affect the 99: Bright-Palm, Soul Awakener is a powerful enabler for the deck, adding counters with each ETB and doubling counters with each swing
Pretty card, though
Its easy to see how this card gets out of control in any dragon deck
This 3/5 human shaman for four is a wall of text, but put simply, exiles cards off the top of your library to play later
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I havent run the numbers on uncommons yet, but with key cards like Path to Exile, Inquisition of Kozilek, Serum Visions, Terminate and Might of Old Krosa, my guess is these numbers will come in equal to or above even Modern Masters (2013), and significantly above the uncommon poor MM15