Peanut, Night's Silence

Hexproof, Skulk
When Peanut, Night's Silence attacks, surveil 1.
If Peanut, Night's Silence deals combat damage
to an opponent, exile the top cards of that
player's library. You may casts spells with cards
exiled this way. If you cast a spell this way,
you may spend mana as though it were mana
of any color to cast it.