Dragonshift is a rare Instant card from Dragon's Maze (DGM), collector number 66. Current market price: $0.17 (foil $0.40), TCGplayer market prices via Scryfall.
Until end of turn, target creature you control becomes a blue and red Dragon with base power and toughness 4/4, loses all abilities, and gains flying. Overload {3}{U}{U}{R}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")