name: Sentinel
originalText: The * in the lower right hand corner is 1 when cast. While blocking, you may choose to change * to equal one plus the power of target creature sentinel blocks this turn. While attacking, you may choose to change * to equal one plus the power of target creature that blocks Sentinel this turn.
printings: BCHR, CHR, LEG
text: {0}: Change this creature's base toughness to 1 plus the power of target creature blocking or blocked by this creature. (This effect lasts indefinitely.)
type: Artifact Creature — Shapeshifter