Casca

First Strike, Mentor
During your battle step, if either "Guts" or
"Griffith" is on the field, Casca gains +2/+2
and can put 2 +1/+1 counters on any other
creature. Effects last until the end of your turn
If Rupture of the World is on the field, Casca
losses all abilities and becomes a 0/1