Your search for "Brightstone Ritual 191" revealed the following:
Brightstone Ritual (ONS) from Onslaught, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Wayne England Card Text:Add R to your mana pool for each Goblin in play.
Brightstone Ritual (Foil) (ONS) from Onslaught, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Wayne England Card Text:Add R to your mana pool for each Goblin in play.
Brightstone Ritual - ONS Reprint (PLST) from The List, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Wayne England Card Text:Add R to your mana pool for each Goblin in play.
Brightstone Ritual - Goblin Storm (Foil) (SLD) from Secret Lair Drop, available at 401 Games Canada. Rarity: Rare Finish: Foil Artist: Wizard of Barge Card Text: Secret Lair Commander Deck: Goblin StormAdd R for each Goblin on the battlefield.