Mawile

You may cast Mawile from your graveyard if you
sacrifice a creature with toughness less than 4 in
addition to paying its mana cost to cast it.
Protection from nonartifact Dragons.
Mawile can't have -1/-1 counters placed on it.
Whenever Mawile attacks or blocks, opponents'
creatures get -1/-0 until end of turn.
Frenzy 2 (Whenever this creature attacks and isn't blocked, it gets +2/+0 until end of turn.) {p/c}: Mawile gets +1/+0 until end of turn.