Fanera, Mimic Assassin

Hexproof, Partner
Whenever Fanera, Mimic Assassin deals combat
damage to a player that player reveals thier hand
you may choose target creature from that players
hand put that card into its owners graveyard, you
may have Fanera, Mimic Assassin become a copy
of that card, except its name is Fanera, Mimic
Assassin, it's legendary in addition to its other
types, and it has Hexproof and this ability.