Jacques, Lurking In Shadows

Shadow (This creature can block or be blocked by
only creatures with shadow.)
Whenever Jacques, Lurking In Shadows deals
combat damage to a player, place an Assassination counter on it, then if there are then 3 or more Assassination counters on Jacques, Lurking In Shadows, destroy target creature.
Jacques, Lurking In Shadows gets +0/+1 for each Assassination counter on it.