Prisma Codes Collaboration Event (US)/Summoning Campaign


 * - Illyasviel von Einzbern (Limited-time)
 * - Medb (No need to clear E Pluribus Unum)
 * - Medea (Lily) (No need to clear Okeanos)
 * - Nursery Rhyme
 * - Helena Blavatsky

Finally, on certain days, other 5★ Servants will also have increased rates.