Sojourn, Expert Marksman

First Strike, Reach, Vigilance, Ultimate Charge
{1}{w}, {t}: Sojourn, Expert Marksman deals 1
damage to your opponent's attacking creatures.
{w}, {t}: The next time Sojourn would take damage
this phase, prevent that damage.
Overclock—{1}{g}{g}, remove 16 ultimate counters
from Sojourn: Put two charge counters on
Sojourn's Railgun. Until end of turn, whenever Sojourn deals noncombat damage, add that
many charge counters onto her Railgun.
Activate only as a sorcery.