Nakarkos

Menace, Double Strike, Deathtouch,
Dragonblight, Dig, Dive
If there is a card called Airship on the battlefield,
this creature gains +3/+3, when an Airship is destroyed this creature gains 6 +1/+1 counters
{6}{u/b}{u/b}: Destroy all Siege equipment
{9}{u}{u}{u}{b}{b}{b}: Destroy all permanents with a
-1/-1 counter or 0/-1