I am also waiting for that great event. In Dice, Chaos Legion and Riftwatcher edition I purchased more than 100 packs but in Rebellion I am going to purchase less than 100 pack. Yes, dual element summoners will be more effective rather than rest of the Edition. I am very interested in summoners along with promo cards. But the question is that what will be the future of rest of the summoners from various edition and the players who will feel helpless to purchase these Rebellion summoners.