Here, things are a bit subjective
Unlike Rachel, Jimmy, and Josh at The Command Zone podcast, I dont really consider Innistrad: Double Feature a set in its own right, since it was just putting Midnight Hunt and Crimson Vow together in a Draft environment
Back Sephiroth, One-Winged Angel Legendary Creature - Angel Nightmare Avatar Flying Super Nova - As this creature transforms into Sephiroth, One-Winged Angel, you get an emblem with "Whenever a creature dies, target opponent loses 1 life and you gain 1 life." Whenever Sephiroth attacks, you may sacrifice any number of other creatures
You'll spacewalk through the Sothera system, an enigmatic realm at the far edges of the Multiverse
III This Saga deals X damage to any target and X damage to any other target, where X is the number of artifacts you control