Lazav, Criminal Archivist

Whenever a permanent enters the battlefield
under your control as a copy of another spell
or permanent, scry 1, then surveil 1, then it
explores, then it connives. Then you may exile
up to one creature card from each player's
graveyard with a data counter on it. Then you
may have Lazav (keep its name and) become a (legendary) copy of a creature card in exile with
one or more data counters on it. Lazav has all
abilities of all creature cards in exile with data
counters on them, in addition to its