You may exert Bitterblade Warrior as it attacks. When you do, it gets +1/+0 and gains deathtouch until end of turn. (An exerted creature won't untap during your next untap step.)
"The vizier of poisons teaches an unconventional kind of strength."
NM-Mint - $0.25
Lightly Played - $0.23
Moderately Played - $0.20
Heavily Played - $0.17
Damaged - $0.13
NM-Mint Non English - $0.25
Lightly Played Non English - $0.23
Moderately Played Non English - $0.20
Heavily Played Non English - $0.17
Damaged Non English - $0.13