Elder Ooze Elemental

Elder Ooze Elementals power and toughness is
equal to the number of Ooze creatures in play.
If you're the only player who controls an Ooze
creature, transform the Elder Ooze Elemental.
{t}: Gain control of target Ooze.
{3}: Sacrifice three Oozes: Put three +1/+1
counters on Elder Ooze Elemental and untap it.
"The Elder Ooze had turned everything around him
into slime. They thought it was over, but then
this abomination arose."