Hex, Gargoyle of Tower Syxx

Other Vampires you control gain +1/+1 for every keyword ability Hex, Gargoyle of Tower Syxx
has.
At the beginning of each combat, Hex gains
flying until end of turn if you control a Vampire
with flying. The same is true for first strike,
double strike, deathtouch, haste, hexproof,
indestructible, lifelink, menace, reach, trample,
and vigilance.