School-Curse

 is a type of ability that exists in different variations for the different Damage Schools. School-Curses are active abilities, which mean they are only activated once a creature has a full Bloodlust counter.

Variations
s can appear as certain activation, or with a chance to activate. They will activate during the card's turn. It can target one, several or all enemies, and the increased damage taken ranges between 1 and 3.