neon kamigawa collector booster box Magic: The Gathering Kamigawa: Dynasty more than 1200 years after conclusion of the original Kamigawa block in 3326 AR MTG Kamigawa: Neon Dynasty Collector

For two mana, you get to take a creature from each opponents hand and choose to cast that card for as long as Valki remains on the battlefield

What happens to the attack

Hop's Bag (Item) Search your deck for up to 2 Basic Hop's Pokmon and put them onto your Bench

Agent of the Shadow Thieves plays quite well alongside blacks many ways to pay life for beneficial effect, making your commander(s) quite potent attackers against whoever is unfortunate enough to have the most life

Also, consider using cards that allow you to recover Energy from the discard pile or move Energy between Pokmon

However, there may be better options such as Winding Constrictor or Doubling Season for more efficient counter manipulation