Amber and Amethyst are a great combo with cards like Lilo Making a Wish, and Maleficent Biding Her Time, as they both are amazing 1-cost cards with 2 lore each
(2018-03-16) Any of the cards you don't cast will remain exiled
Geological Appraiser Its easy to compare Geological Appraiser directly to Bloodbraid Elf, but repurposing cascade into discover and having this be an ETB instead of a cast trigger leads to way more combo potential, which earned the Appraiser an increased casting cost with its Arena rebalance
But a TCG is a different story altogether
Faithless Salvaging / Murktide Regent in Arclight Phoenix decks Arclight Phoenix was a very prevalent card in Modern not very long ago, and Faithless Salvaging gives the deck another reliable way to recur the bird(s) on turn three
Brawl Legal Vintage Legal Timeless Legal Commander Legal Pauper Legal Oathbreaker Legal Penny Legal Toolbox Buy This Card Notes and Rules Information for Retrieve the Esper: "Flashback [cost]" means "You may cast this card from your graveyard if the resulting spell is an instant or sorcery spell by paying [cost] rather than paying its mana cost" and "If the flashback cost was paid, exile this card instead of putting it anywhere else any time it would leave the stack." (2025-06-06) You must still follow any timing restrictions and permissions, including those based on the card's type