Loopy Lobster [Mystery Booster Playtest Cards]

Four-faced (Whenever this becomes tapped, move it to the next stage, or to stage 1 if it's at stage 4.)
Stage 1—(1/4)
Stage 2—(4/1) Evolve
Stage 3—(2/4) {U}: Loopy Lobster gets +1/-1 until end of turn.
Stage 4—(4/4) Vigilance. {T}: Draw 2 cards.