Felidar Sovereign Form of the Approach of the Second Sun Gallifrey Stands Gideon of the Trials Halo Fountain Happily Ever After Hedron Alignment Helix Pinnacle Hellkite Tyrant Herald of Eternal Dawn Jace, Wielder of Mysteries Laboratory Maniac Laboratory Maniac Liliana's Contract Luck Bobblehead Mayael's Aria Maze's End Mechanized Production Mortal Combat Near-Death Experience Now I Know My ABC's Platinum Angel Platinum Angel Avatar Ramses, Assassin Lord Revel in Riches Shinryu, Transcendent Rival Simic Ascendancy Test of Endurance Thassa's Oracle The Book of Exalted Deeds The Cheese Stands Alone Triskaidekaphile Twenty-Toed Toad Wowzer, the Aspirational (playtest)
To determine the total cost of a spell, start with the mana cost or alternative cost you're paying, add any cost increases, then apply any cost reductions (such as that of Saheeli's second ability)
There have been previous effects printed previously in this genre of card
Try your luck at pulling these cards from the following Pokemon card products: What are your thoughts on the most expensive cards from Astral Radiance
There are many ways to build this deck, from the combo-centric decks that use Will the Wise to kill the table to more honest decks that win by turning their Clues into creatures with cards like Rise and Shine