Libromancer Bonded (MP23-EN114) - 25th Anniversary Tin: Dueling Heroes Mega Pack 1st Edition

This card can be used to Ritual Summon any "Libromancer" Ritual Monster. You must also Tribute monsters from your hand or field whose Levels equal or exceed the Level of the Ritual Monster you Ritual Summon. If you Ritual Summon "Libromancer Fireburst" with this effect, using "Libromancer Firestarter" on the field, it cannot be destroyed, or banished, by card effects.