Merimar Slaughter Troop

High Morale — Merimar Slaughter Troop is in
High Morale as long as you control 2 or more constructs.
Whenever Merimar Slaughter Troop kills a
creature, you may sacrifice a creature you control.
If you do, Merimar Slaughter Troop deals 3
damage to that creature's controller.
As long as Merimar Slaughter Troop is in High Morale, it has Menace and First strike.