One other note of ironyour first match was against Jeskai Blink
Instant Touch the Spirit Realm When this enchantment enters, exile up to one target artifact or creature until this enchantment leaves the battlefield
Wizards pulled this off perfectly, giving us 900, 700, and 300 serialized versions of the same card (again with different art, and with the non-serialized, nonfoils still a difficult pull) they gave us the first 1 of 1 card in Magics history, opened by a player in Canada and famously sold to Post Malone for $2 million
This combo can let you take out a whole board full of exerted 2 Strength characters
Oubliette was the white whale (well, black whale) for this group an irreplaceable card in many of the formats controlling black decks
The three-letter set code also defines which release the card comes from