Though we dont know how many of these there will be, or how to get them all, here are the Whispers in the Well promo cards that have been revealed so far: When Was Whispers in the Well Released
Above, the first and third cards are the fakes, and there's only one good solution to that problem: The top card, a foil copy of History of Benalia, has a black core inside of it
Then you can play a 4/3 on the next turn, evolving both Shambleshark and Experiment One and attacking for six
While only OK against aggro decks the card has proven incredibly good against midrange, control and combo decks too
Asmoranomardicadaistinaculdacar + The Underworld Cookbook This engine with Asmoranomardicadaistinaculdacar and The Underworld Cookbook worked well enough in Modern for a time until it looked like Modern Horizons 3 would close the restaurant entirely
Storm Build Cards Aphotic Wisps , Cremate , Succumb to Temptation , Yawgmoth's Will , Ill-Gotten Gains , Priest of Forgotten Gods , Skirge Familiar , Rain of Filth , Dredge , Gravebind , Nighthaze , Street Wraith The idea of a storm deck is to cast as many spells in one turn as possible, building up a fat storm counter to execute all who oppose us with our 3 finishers, which are Aetherflux Reservoir , Tendrils of Agony and perhaps Empty the Pits