Ultimate Weapon Allie

Poison Halo 2 - at the start of the turn all of your creatures with Disease gain Outbreak and all of your creatures with Outbreak gain Disease 2
Toxic bomb 2 - when in use deal damage equal to the number of stacked Disease layers *2 on all enemies inflicted with Disease
Outbreak - when dealing damage to a diseased creature remove disease and deal additional 1 damage per disease removed this way