Can I change anything about the contents of the library
With Fortisphere having met its usefulness, discarding it to draw two cards was a popular play, meaning this one Steel item would give a Sapphire/Steel player three cards over the course of the game , and it was relatively cheap to do so
Lastly, there are some assassin cards that tie into specific non-assassin themes such as Lys Alana Scarblade in elves, Goblin Assassin in goblins, Silent Assassin and Rathi Assassin in mercenaries, Unliving Psychopath in zombies or equipment decks, or Hunter of Eyeblights and Massacre Girl, Known Killer in -1/-1 counter decks
It evokes well the feeling of barrenness in an otherwise normal land
No graphic design experience is needed
A lot of Spellslinger decks also run some sort of combo to produce multiple copies of spells