Geological Appraiser LCI/150

Set: The Lost Caverns of Ixalan
Collector Code: LCI/150
Name: Geological Appraiser
Type: Creature — Human Artificer
Oracle text: When this creature enters, if you cast it, discover 3. (Exile cards from the top of your library until you exile a nonland card with mana value 3 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)
Rarity: Uncommon