Chordcutter, Sanity's End

Equipped creature has +1/+1 and Deathtouch.
Whenever equipped creature deals combat damage
to a player, put an Ink counter on this card,
as well as on target creature that player controls.
Once per turn, equipped creature may activate an activated ability of a creature with an Ink counter
on it. When it does, that creature's controller mills
equal to the number of Ink counters on this card.
Equip {u}{b}, Mill 5.