Stirring Address
Instant
Target creature you control gets +2/+2 until end of turn.
Overload 
(You may cast this spell for its overload cost. If you do, change its text by replacing all instances of "target" with "each.")
"For glory! For justice! For our queen!"
Illustrated by
Modern Horizons#32CommonEnglishLegality
Rulings
Jun 14, 2019
If you don’t pay the overload cost of a spell, that spell will have a single target. If you pay the overload cost, the spell won’t have any targets.
Jun 14, 2019
Because a spell with overload doesn’t target when its overload cost is paid, it may affect permanents with protection from the appropriate color.