It didn't really make a huge difference as I thought it would :'(
Maybe 1 copy is just not enough, or maybe my deck needs some changes.
Nevertheless, it's still a very beautiful card, and a precious addition to the Amazoness archetype.
This deck doesn't really work without 3x Princess - Princess lets you draw any Amazoness Spell/Trap card you need AND you can special summon ANY Amazoness (read: Queen) to the field by sending ANY card from your hand or field to the graveyard (you can use this to summon battle protection for your monsters for the cost of one less useful card).