Hank Hensley, Sleeper Agent

Ingest (Whenever this creature deals combat damage
to a player, that player exiles the top card of his or
her library)

{1}{u}{g}: Hank Hensley, Sleeper Agent becomes a
copy of target creature in exile, except its name is
still Hank Hensley, Sleeper agent, it becomes a
Symbiote in addition to its other types, and it has
Ingest and this ability

Sleeper, ready to strike at any moment