Gark, Lord of the Fumaroles (DRC-021 R) [Descent into the Raven's Catacombs]

[Blood Trail] [Bloodlust] Whenever this card deals battle damage to a player >>> Destroy target magic stone. Its controller searches their magic stone deck for a magic stone and puts it into the field rested, then shuffles their magic stone deck. Banish a Glyph addition: Put this card from your graveyard into your hand. Play this ability only if this card is in your graveyard. RRR, banish this card: This card deals 800 damage to each resonator. You pay R less to play this ability for each magic stone that left the field this turn.