As the Final Fantasy x Magic: The Gathering crossover heavily featured the summon mechanic as Enchantments, there are several cards focused on bringing them out, keeping them on the field, or returning them from the graveyard
What to Change Out: 2 Cackling Prowler 2 Eager Trufflesnout 2 Needletooth Pack 2 Eaten Alive 2 Wary Thespian 2 Tragic Banshee In: 1 Desecration Demon R 1 Midnight Reaper R 1 Spinner of Souls R 1 Liliana, Dreadhorde General M 2 Fell U 3 Goldvein Hydra M 3 Vengeful Bloodwitch U Total wildcards needed : 4 Mythic Rare, 3 Rare, 5 Uncommon, 0 Common
Back with Magic: The Gathering was young, Wizards of the Coast produced its first of several artifact-based sets and introduced us to the Brothers War, a planet and eventually planar conflict between Mishra and Urza
Permanents that are destroyed or sacrificed end up there
Cards similar to Fractal Creation include Clear Conscience (3), Clear Conscience (1), Clear Conscience (2)