Munchkin

Horde (whenever you would put a +1/+1 counter on
this creature, instead create a 1/1 Munchkin creature
token with Horde. This creature's power and toughness
can only by changed by spells with Munchkinpass)
You may have any number of cards named
Munchkin in your library and sideboard.
"...We may be small, but we are many..."