Does the second part of the incantation parody something else? It sounds like somethinng aureolus_ezzard would say.
PekoMama AlternativeForm magic bullets to pierce my enemy!!Carrots darker than the twilight! Carrots crimson beyond blood!Rabbit Rending Decapitator!!
This is used for what is called Dragon Slave in Slayer, just with the dragon replaced with rabbit.