Twilight Chupacabra

Menace
If Twilight Chupacabra attacks and isn't blocked,
you may have target creature get -1/-1 until end
of turn. If you do, Twilight Chupacabra fights
that creature and deals no combat damage this
turn.
If Twilight Chupacabra becomes blocked, each
creature blocking it gets -2/-2 until end of turn.