Sphinx of the Guildpact 
Artifact Creature — Sphinx
Sphinx of the Guildpact is all colors.
Flying
Hexproof from monocolored (This creature can't be the target of monocolored spells or abilities your opponents control.)
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Cards that do something similar expected a card that isn't here?
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Fallaji Wayfarer 93%
$4.02#6624
"this card is all colors. This ability doesn't affect its color identity."
+1 more matching line