Druid of the Ooze

Level up: {1}{g} (Level up as a Sorcery.)
LEVEL 0-2: Druid of the Ooze is 1/3 with:
"{t}: Create a 1/1 green ooze creature token."
LEVEL 3-5: Druid of the Ooze is 2/4 and gains:
"{g}: Sacrifice an ooze: Prevent 1 damage
or deal 1 damage to any target."
LEVEL 6+: Druid of the Ooze is 3/5 and gains:
"All oozes get +1/+1. Druid of the Ooze is
an ooze in addition to its other creature types."