Dru, Precocious Cabin Girl

{t}, Create a 1/1 Tentacle creature token with
X +1/1 counters on it, where X is the number
of other Tentacles you control. If a Tentacle
would enter with 8 or more +1/+1 counters, destroy all nonland permanents except Dru,
and create a 20/20 Legendary octopus Horror creature token with Indestructible and
Trample.