Where Boromir strays from The Lord of the Rings storyline is going infinite with Ratadrabik of Urborg for death triggers and ETB triggers
That also includes the player who wields the card, since a colorless deck would include creatures like the Eldrazi and artifact creatures they won't have to worry about this sorcery's devastating effect.
Cards like Mickey Mouse, Detective and One Jump Ahead are the key to sapphires ramp strategy, as they immediately put a card from the top of your deck into your inkwell (you dont get to see what it is and it doesnt matter if the card is inkable)
Lifegain Anticipating a fair amount of damage from people leaning into player removal for dealing with reanimated monsters, I wanted to ensure I had ways to gain life built into the deck
Isshin, Two Heavens as One The true king of attack triggers is Isshin, Two Heavens as One - sorry Wulfgar
While eight mana is a lot, you can cut it down to just two blue mana with the delve ability, making it much more manageable, especially earlier in a game