All the other Arena-exclusive cards could very well have cardboard counterparts if Wizards wanted, which makes them pretty inconsequential to the discussion
Both Shimmering Skies starter decks, like other starters, continue to give players a pre-constructed taste of what their respective set will be like
I am already planning to try Vivi out in my Izzet prowess deck, which will either pop off, or get removed on sight
If a player is allowed to change the spell's target while it's on the stack, they may choose an untapped creature
It combines the common Jhessian Thief with Kiln Fiend and Distortion Strike to generate value and damage as quickly as possible
Belle's incredible stats, coupled with her "Salvage" and "Repurpose" abilities also make it easier to gain Lore and play her card (since her standard Ink Cost is a 9)