The Sapphire and Steel deck merges the card advantages that come with Sapphire with the strong fighting prowess of Steel characters, creating a deck that wants to build up resources and get into the thick of the fight
You need only one creature in play for it to do something relevant, and it doesnt matter what it is
Be aware that you cannot use this card in your inkwell so if you draw it early on it can just sit in your hand for several turns before being usable
This characteristic is rather accurately portrayed in the Lorcana card Scrooge McDuck, Richest Duck in the World - which depicts the character standing atop literal piles of gold, jewels and treasures
Not only does this provide Amethyst with a bit more personality (something that was missing in The First Chapter), it also provides a somewhat gimmicky deck type that will work very well when it goes off
I wanted to show the iconic moment where he summons the Royal Arms to his side, and can you imagine him leaping into a big fight hacking and slashing his way to victory