Exit Through the Grift Shop Felidar Sovereign Form of the Approach of the Second Sun Frenetic Sliver 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 Shahrazad Shinryu, Transcendent Rival Simic Ascendancy Test of Endurance Thassa's Oracle The Book of Exalted Deeds The Cheese Stands Alone The Countdown Is at One Triskaidekaphile Twenty-Toed Toad Woodland Guidance Wowzer, the Aspirational (playtest)
It is a five-mana creature with 4/3 and an ability that grants flying at the cost of reducing its power
Also in white, and found in the Silverquill Influence precon, you'll get Replenish, which can bring all enchantments back from the graveyard to set up a big late-game finish if you can keep Eiganjo Dynastorian around
I asked in another ongoing topic of mine but its only tangentially related and my interest is only growing
Ive had Cube games where this is essentially Demonic Tutor
All Special Summoning conditions are options rather than requirements