Sword of the Sea

Frenzy 2: (Whenever a Sword of the Sea attacks
and isn't blocked, it gets +3/+0 until end of turn.)
Mangle (At the end of the Cleanup step, put a
number of -1/-1 tokens on each creature equal to
the damage Sword of the Sea caused it.)< /i>
"Although they seem mere beasts at first sight,
some forgo accursed fang and claw. Their unnatural
nature lets them use weapons beyond mortal heft.
Fortunately their lack of skill with weapons means
they are also easy to parry"