D.Va Mech

When D.Va Mech dies, instead, transform it.
3 XP: D.Va Mech gets +1/+1 for each time it
has transformed into D.Va Pilot.
10 XP: {4}, {t}: Create a colorless 0/4 D.Va Bomb creature token with "At the beginning of your
next turn, sacrifice D.Va Bomb. If you do, deal 4 damage to each creature other than D.Va Pilot." Transform D.Va Mech.