Impa, Sworn to Protect

First Strike, Vigilance
When Impa, Sworn to Protect dies, up to one
target creature you control gains indestructible
until end of turn. Tap it.
{w/b}{u}: Impa, Sworn to Protect can't be blocked by
more than one creature this turn.
{u/b}{u/b}: Counter target spell or ability that targets a creature other than Impa, Sworn to Protect.