While some split cards let you cast one or both sides in the same turn, there are split cards with an aftermath mechanic where you cast one side, wait for the card to hit the graveyard, then cast the aftermath portion
Final Fantasy: Game Over Day of Judgment / Spira's Punishment Praetor's Grasp / Unseat the Usurper Star of Extinction / Meteorfall Temporal Extortion / Absorb into Time Toxic Deluge / Merciless Poisoning Final Fantasy: Grimoire Cyclonic Rift / Hope's Aero Magic Damn / Noctis's Death Magic Heroic Intervention / Aerith's Curaga Magic Lightning Bolt / Vivi's Thunder Magic Prismatic Ending / Yuna's Holy Magic Final Fantasy: Weapons Blade of Selves / Clive's Invictus Blade Colossus Hammer / Gaia's Dark Hammer Staff of the Storyteller / Yuna's Sending Staff Sword of Truth and Justice / Tidus's Brotherhood Sword Umezawa's Jitte / Cloud's Buster Sword The individual bundles were listed at $29.99 for the non-foils and $39.99 for the rainbow foil versions in what I call an expensive sidequest
If you ever line up Rhino's Rampage to kill a creature and shatter an inexpensive artifact, its well worth the 1-mana investment
Are All Attractions Artifacts
Azusa, Lost but Seeking Few cards accelerate your mana as quickly as Azusa, Lost but Seeking, thanks to extra land drops each turn
If this happens, One with the Stars's effect causes the enchanted permanent to remain an enchantment even after the temporary effect expires
