Shapeshifter is a uncommon Artifact Creature — Shapeshifter card from Masters Edition IV (ME4), collector number 226.
As this creature enters, choose a number between 0 and 7. At the beginning of your upkeep, you may choose a number between 0 and 7. Shapeshifter's power is equal to the last chosen number and its toughness is equal to 7 minus that number.