Keening Stone (Retro Schematic) (Serialized) [The Brothers' War Retro Artifacts] SWSH147 Take an extra turn after

Take an extra turn after this one if an opponent cast a blue spell this turn

Set: Sword & Shield: Chilling Reign Type: Grass Rarity: Ultra Rare Retreat cost: Colorless

Set: Collectors' Edition Type: Instant Rarity: Common Cost: {R} Lightning Bolt deals 3 damage to any target

and may want to in response to this ability

Molasses comes to mind

Keening Stone (Retro Schematic) (Serialized) [The Brothers' War Retro Artifacts] SWSH147 Take an extra turn afterSet: The Brothers' War Retro Artifacts Type: Artifact Rarity: Rare Cost: {6} {5}, {T}: Target player mills X cards, where X is the number of cards in that player's graveyard. "The new prototype utilizing a rotational axis is marvelously effective: it makes me want to tear my own ears off." Ashnod, to her assistants