Harbinger Knight

This creature costs {1} less for every Harbinger you control.
This card's power and toughness is equal to the
number of Harbingers you control.
Soul Lock 3
(This card does damage in the form of -1 /-1 counters.
If this creature would kill another creature you gain
control of that creature. It becomes a 2/3 Harbinger
as well as its other types.)