Barust's Blazing Twin Swords (Uber Rare) [Descent into the Raven's Catacombs]

You pay X less to play this card, where X is the number of magic stones in all graveyards. Added resonator gains [+Y00/+Y00] and [Swiftness], where Y is the number of magic stones in all graveyards. [Enter] >>> Add this card to target resonator you control. Whenever you play a spell >>> Added resonator gains [+200/+200] until end of turn. If added resonator's ATK is 2000 or more, you may banish all magic stones, and added resonator gains [Multi Strike] until end of game. [Bestow] [Rest], R, banish a magic stone.