Whenever one or more cards an opponent owns are put into exile, put a release counter on The Heron Moon
There aren't any limitations or additional costs - just two blue mana
Once you've opened enough cards, the vault will become available to open , and it grants one mythic rare, two rare, and three uncommon wildcards
Setzer, Wandering Gambler Setzer, Wandering Gambler has hoops to jump through to flip coins on its own, but the real reason this card makes the list is the last sentence
The Auctioneers reserve the right of refusing any bid without giving any reason and of altering, adding to, dividing, consolidating or withdrawing any lot or lots for sale
We are also just looking at cards from the main set and not the most valuable cards from the Bloomburrow precons