El objetivo no se va a cambiar, porque el Spellskite que vos controlás no es un objetivo válido para el Apostle's Blessing que tu oponente lanzó.


Spellskite
2
Artifact Creature -- Horror
0/4
{(u/p)}: Change a target of target spell or ability to Spellskite. ({(u/p)} can be paid with either {U} or 2 life.)


Apostle's Blessing
1(w/p)
Instant
({(w/p)} can be paid with either {W} or 2 life.)
Target artifact or creature you control gains protection from artifacts or from the color of your choice until end of turn.