After all, if you cant get tons of value out of it immediately, your opponents each get to use it against you
The life gain isnt irrelevant, four toughness is awesome, and she helps devotion
Stun counters replace untapping for any reason, including players untapping tapped permanents during their untap steps
It has a splashy effect that is viable in no other format but Commander, and Scourge allows you to dabble in the politics of Commander games (unlike say, Thundermaw Hellkite who just Hulk smashes an unfortunate opponent)
Of course, there is a way to use something like fight that references power after strengthening, but, how should I put it, it's subtle
Also I see you state, "All Unlimited, First Edition and Reverse Holo cards correspond with English sets." In French there only was a first edition shadowed and unlimited printing (but the 102 Pokmon line up is still the same), correct