Biogel Artificial Entity (JRV-084 N) [Journey to Ravidra]

If you would perform a listed effect while resolving an automatic ability of a J/ruler you control with "Caelth" in its name, instead add the following option and then perform one; -"Weakening Potion" You gain "You pay B less to play Beast resonator spells." and "Resonators you control gain [-200/-200]." until end of game. [Outnumber] (This card has the following text as long as you control another resonator and more resonators than your opponent.) - Banish this card: Put the top three cards of your deck into your graveyard, then put a Beast or Glyph card from your graveyard into your hand.