Chehara, the Malleable

{3}: Chehara, the Malleable becomes a copy of
target nonlegendary creature that's colorless or
shares a color with the mana spent to activate
this ability until end of turn, except its name is
Chehara, the Malleable and it's legendary.
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A being once long ago beautiful has been twisted and
deformed from years of stress and torture. Now, they
take on the faces of many, a futile attempt to recapture
the old beauty they once held.