Dumpster Mimic

Morph {3} (You may cast this face down as a
2/2 creature for {3}. Turn it face up any time
for its morph cost.)
If Dumpster Mimic is turned up while
blocking it gets +3/+3.
When Dumpster Mimic is turned up create
3 Food Scrap tokens ({1}, {t}, Sacrifice this artifact: You gain 1 life).