Shallan Davar, Illusionist

Hexproof

Whenever a creature card is put into an opponent's graveyard from anywhere, you may have Shallan Davar, Illusionist become a copy of that card, except its name is Shallan Davar, Illusionist, it's legendary in addition to its other types, and it has hexproof and this ability.

based on Lazav, Dimir Mastermind