Stonesides, the Rat King

First Strike, Manace
Lycanthropic Might — At the beginning of your upkeep, if Stonesides, the Rat King isn't a
Wererat, you may pay {r}. Otherwise transform it
into Strxyn, a 4/4 Wererat creature until end of
turn.
Iron Clad Ferocity: Stonesides, the Rat King can't
be blocked by creatures with toughness 2 or less.