Eject, Cornered by Black Mages, Ice Magic, and White Auracite are all good examples of cards costed well above comparable spells in other sets
War Room, which allows you to pay 1 life to draw a card
It is a bit of disruption and a discard outlet but it is small, card disadvantage, slow and rather too mana intense for what it gives you
If the manabase allows, Dimir can benefit greatly by dipping into Orzhovs toolbox for some additional stabilization and removal, although it already has access to a formidable suite of removal tools
My verdict: The Ruby & Amethyst Shimmering Skies Deck is ideal for players who want to outwit opponents with combos while keeping constant pressure on the board
Additionally, the unique artwork elevates its visual appeal, with a design distinct from the standard ST01-012 version