Carneferron

Echo {b}{b}, Undying
At the beginning of your upkeep, before you pay Carneferron's Echo cost, you may remove a
+1/+1 counter from Carneferron. If you do, put
a -1/-1 counter on each other creature on the battlefield.
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Ph'nglui mglw'nafh Cthulhu R'lyeh wgah'nagl fhtagn.