Kabraxys, Lobe Parasite

Instants and sorceries you control have Cipher.
Whenever you encode a spell on to a creature you control, exile Kabraxys, Lobe Parasite until that creature leaves the battlefield.
That creature gains "when this creature deals
combat damage to an opponent, put a burgeoning
counter on it" and "when this creature has three
or more burgeoning counters on it, sacrifice it
and create a blue black 3/3 horror creature token.