Runic Witchcraft: No4 (TOP-023 SR) [Ten Oaths of Protopaterpolis' War]

You gain "You pay 1 less to play rune spells." as long as this card is in the field, or is in your removed area and was removed by an Exploration effect you performed. [Reunited] "Helen" - This card has Treasure in addition to its other races in all zones. - [Enter] Reveal three Witch resonators you own from outside the game that don't share a name with cards you own revealed outside the game and keep them revealed until end of game.