Infectious Ooze

When this creature enters the battlefield choose
and take control target permanent if chosen
permanent not a creature then it gains a base
power and toughness of */* and is an ooze in
addition to its other types, if chosen permanent is
a creature then its power and toughness becomes
*/* and is an ooze in addition to its other types,
where * is the number of oozes you control
We Rise, We Infect, We Conquer