Heirloom Mirror // Inherited Fiend

{1}, {T}, Pay 1 life, Discard a card: Draw a card, mill a card, then put a ritual counter on this artifact. Then if it has three or more ritual counters on it, remove them and transform it. Activate only as a sorcery. Flying {2}{B}: Exile target creature card from a graveyard. Put a +1/+1 counter on this creature.