Event/Alternate Match Suggestions

So I figured we could post ideas here for match types we'd like to see in the future:

Maybe an 8/4/2 format for a free 5 card pack. System plays 7 AI decks built by players in same strength range. Must win 3 in a row. Of course, make tourneys when live players competing comes into play. Cost 100 runes or relevant amount.

Only suggestion I can think of at the moment, but I'm Curtis as to other people's thoughts.