Army of Rebels

When Army of Rebels enters the battlefield,
create a copy of target human an opponent
controls.
{b/r}{g/u}{g/w}: Create a copy of target human with
power 5 or less.
{2}{b/r}{g/u}{g/w}: Create a 4/4 target human with
trample. If you control 3 or more humans,
creatures you control get +3/+2 and
trample until end of turn.