Undetected assassin

Unveiled ( If this card was revealed from the top of
your library, then play it without paying is mana cost).
SoulBond "shadow", can't be blocked, Hast
If "Undetected assassin" or/and is partner
inflinct damage to an opponent, this player
discard X cards from the top of is library, where
X is the total damage this player get this turn.
Shuffle "Undetected assassin" in your library.