Creature — Shapeshifter
Turtleshell Changeling
Changeling (This card is every creature type.) {1}{U}: Switch this creature's power and toughness until end of turn.
From Magic: The Gathering.
Exact printings
Open the interactive version on https://mythscribe.cloud/app/tcg/cards/cms6oj200drmjpb1hibftrdia.