Spineless Scoundrel

{b/g}: Spinless Scoundrel becomes a 2/2 rogue.
{b/g}{b/g}{b/g}: Spinless Scoundrel becomes a 4/4 giant.
Use this ability only if Spineless Scoundrel is a
rogue.
{b/g}{b/g}{b/g}{b/g}{b/g}: Spinless Scoundrel becomes a 7/7
rat and whenever it does combat damage create a
1/1 black rat creature token. Use this ability only
if Spineless Scoundrel is a giant.