Imprint — When this creature enters, you may exile target nontoken creature. As long as a card exiled with this creature is a creature card, this creature has the power, toughness, and creature types of the last creature card exiled with it. It's still a Shapeshifter.
Whenever you're dealt damage, put that many charge counters on this artifact. At the beginning of each upkeep, you may remove a charge counter from this artifact. If you do, you gain 1 life.
{2}, {T}: Exile target permanent you control. {2}, Sacrifice this artifact: Return all cards exiled with this artifact to the battlefield under your control.
As long as this artifact is untapped, if a creature would deal combat damage to you, prevent 1 of that damage. {2}, {T}: Attacking creatures get +1/+0 until end of turn.