Rubber D.U.C.K

{e} is also needed to cast this spell
Powered 1 (When this creature enters the battlefield
add a +1/+1 counter on it.)
Charge ((Y): Add a +1/+1 counter to Rubber
D.U.C.K, {e}: Add a +1/0 counter to Rubber
D.U.C.K, {1}: Add a 0/+1 counter to Rubber
D.U.C.K) Mechanical Organism (If Rubber
D.U.C.K's power is 0 or less it's not a creature
and can't block, If Rubber D.U.C.K's toughness is
0 or less it does not get destroyed and it's not an artifact and can't attack.)