Id lean towards Kotori because I like attacking and attacking with lifelink is good beats
Sacrificing it ensures colour correction, landfall triggers, or a guaranteed hit for strategies light on basics
Since every legendary creature, which for this set are either named Final Fantasy characters or iconic enemies, also has an extended-art version, this reveals the gaps which the remaining cards will fill
Its the same type of removal as Imprisoned in the Moon or Bound in Gold: An Aura that you attach to a permanent to make it unusable
Wall of Denial If given the option of your opponent playing Wall of Denial or screaming in your face for 15 minutes while you openly weep, theres a good chance that you should go with the latter option
The Immortal Sun The Immortal Sun is a pretty unique piece that hates on planeswalkers and pumps pretty much anything you want to do