The trade-off is that you'll be returning an attacking creature to your hand to cast it for this cost
Another attacker we can use in this deck is a1a-32-mew-ex, copying the opponent's attack with Genome Hacking, perfect if your opponent's Pokemon has a high damage attack to copy
Stay Awhile And Listen As someone who grew up with Magic sets being released in "blocks" of three sets on the same plane, where they would slowly expand on themes throughout the block, I'm loving this multiple set take on Innistrad

Advanced Search Sets Random Syntax Arcane Omens Archaeomender Baneful Omen Bountiful Promenade Brand of Ill Omen Centaur Omenreader Clock of Omens Dust of Moments Elvish Promenade Eureka Moment Fire-Omen Crane Impede Momentum Moment of Craving Moment of Defiance Moment of Heroism Moment of Reckoning Moment of Silence Moment of Triumph Moment of Truth Moment of Valor Moment's Peace Momentary Blink Momentous Fall Momentum Momentum Breaker Momentum Rumbler Necromentia Omen Omen Hawker Omen Machine Omen of Fire Omen of the Dead Omen of the Forge Omen of the Hunt Omen of the Sea Omen of the Sun Omenpath Journey Omenpath to Naya (playtest) Omenport Vigilante Omenspeaker Open the Omenpaths Phenomena Recorder Phenomenon Investigators Prismatic Omen Rapturous Moment Raven of Fell Omens Rootha, Mastering the Moment Savor the Moment The Moment The Omenkeel Through the Omenpath Transguild Promenade Wall of Omens Wall of Omens

According to Verhey, the card was banned because of the potential for players to imprint an extra turn spell for an easy (and frustrating) win, or just something that creates an 'unfun' situation and stops the game moving forward, like a board wipe every turn
I believe Aaron Forsythe was the one to pitch the idea when he and I first talked about The Brothers' War