Sonic, the hedgehog

Double strike
{w} Monstrosity 1, {u} Monstrosity 1,
{b} Monstrosity 1, {1} Monstrosity 1
When ever this creature becomes monstrous flip
it over.If this creature has not become monstrous
this turn destroy it.If this creature becomes
monstrous for the seventh time put sonic
unleashed onto the battlefield and destroy this creature.