Albiorix Not Triggering
Albiorix, Goose Tyrant did not trigger when I had it in exile after casting the adventure from my opponent's library (using Ragavan, Nimble Pilferer).
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Rezzahan#77802 commented
Your OPPONENT had it in exile. There is only one exile zone, that's shared by all players. Objects in exile don't have a controller, so the game references its owner instead, if nessessery. And the owner of the card is your opponent.