Brewing Witch

Whenever a creature dies you may exile that
creature and create a colorless artifact potion
token with "{t}Sacrifice this potion, target
creature you control gains X ability until end of
turn otherwise you gain 1 life." X is all abilities
belonging to the permanent that was exiled to
create that potion.
~Eye of newt, and toe of frog. Wool of bat, and
tongue of dog. Adder's fork, and blind-worm's sting.
Lizard's leg, and howlet's wing