Space Beleren (276)

Space sculptor (Space Beleren divides the battlefield into alpha, beta, and gamma sectors. If a creature isn't assigned to a sector, its controller assigns it to one. Opponents assign first.)
: Creatures in each sector can be blocked this turn only by creatures in the same sector.
: Put a +1/+1 counter on each creature in the sector of your choice.
: Destroy all creatures in the sector of your choice.