Sogub, Dimir Infiltrator

Skulk, gaze, pickpocket 3 (Whenever this creature
deals combat damage to a creature, that creature's controller exiles the top 3 cards of his or her library
face down and you draw 3 cards.)
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"While Sogub is an amazing thief and escape artist,the
Dimir would be much happier if he'd stop bragging to everyone about his crimes. They will probably be ones
to stop him long before the other guilds do."
- Dars Gastok, Firefist captain