There isnt really too much room for a middle ground either, meaning Huatli will be close to a zero or a ten most games and requires your deck to be built around it
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Able to deal with virtually any problem, Capsize couldn't be dealt with through conventional means (you'd usually have to kill your own creature to have a chance of fizzling Capsize)
How about some targeted removal to deal with enemy threats (On Thin Ice, Gelid Shackles, Winter's Rest, card]Priest of the Haunted Ridge[/card])
Creating a baseline 2/1 myr and turning your, say, Treasure tokens into that is very powerful, but thats just the beginning
Then, if Goldspan Dragon survives, it may take over the game with Treasures