Guts, The Black Swordsman

{t}{2}{b}: Destroy target creature
If an eclipse creature blocks Guts, The Black Swordsman,
place a -2/-2 counter on that eclipse creature
until the end of the turn.
If Guts, The Black Swordsman blocks an eclipse creature, place a +2/+2 on Guts, The Black
Swordsman until the end of the turn.