Wildeyed Champion

When Wildeyed Champion enters the battlefield
you may give Wildeyed Champion +4/-1 and
haste until end of turn. If you do, sacrifice
Wildeyed Champion at beginning of the end
step unless you control an untapped creature.
If you control one or more creatures that share
exactly one color with Wildeyed Champion each
of those creatures and Wildeyed Champion gain Trample.