Skarra, Bloodmane Matriarch

This spell can't be countered.
Whenever you attack with three or more Hyenas,
Hyenas you control get trample until end of turn.
Whenever you cast an instant or sorcery spell
that targets only Skarra, Bloodmane Matriarch,
copy that spell for each other Hyena creature you
control the spell could target. Each copy targets a
different one of those Hyenas.