Path of Silence

Discipline {3}(on your upkeep you may pay {3}
if you do add a Discipline counter to this card
and gain the next Mastery)
Mastery 1: If a creature you control attacks and
is not blocked pay {1} and draw a card.
Mastery 2: If a creature you control attacks and
is not blocked pay {2} and destroy target creature.
Mastery 3: if a creature you control attacks and
is not blocked pay {4} you gain control of target Artifact.