sazerithath of the hive

+1: until end of tern all slivers get {t}{w/b} put a loity counter on sazerithath of the hive
-5: cerate {x} 2/2 colerless sliver chreatcher tokons were {x} is the number of slivers you control
-15: creat an emblem witch says all slivers gain anilater {x} were {x} is the number of slivers you control