Choice of creature type for each artifact enables tailored gameplay
Charge counter manipulation lets you remove counters during instant or sorcery spells
Copy ability lets you replicate the card for new targets
Rare card status increases collectibility for serious players
Summarized by Shop
As this artifact enters, choose a creature type.
Whenever a permanent you control of the chosen type enters, put a charge counter on this artifact.
{T}, Remove three charge counters from this artifact: When you next cast an instant or sorcery spell this turn, copy it. You may choose new targets for the copy.