Once Shrubbery

{w/b} Suspend 2, Reach & {1}{p/w}{p/b} Regenerate
{2}{w}{b}{t} Populate (Create a token that's
a copy of a creature token you control)
{w/b}{w/b}{w/b}{t} Create a 3/3 Aberration creature token with Haste, Elder Evil and Decayed
(It can't block. When it attacks, you
sacrifice it at the end of combat)