regidrago pokemon cards V Crown Zenith Collection [1] Celestial Roar Discard the top 3 cards of your deck Regidrago - UndefinedStudios

And despite not being tournament legal, the cost of obtaining these cards today is fairly high

That and your once-a-turn standard energy lets you restock your Mewtwo perpetually, for highly effective results

Whats more, Green is hardly lacking for mana, making it feasible to always keep some in reserve to throw this down and spoil any attempts at removal

Full-art cards

If a bestowed Indebted Spirit and the creature it's attached to are put into a graveyard from the battlefield at the same time, each of their afterlife abilities will trigger

Having a way to double the power and save Boros Charm for later is a welcome addition, especially as you may have already used Boros Charm at this juncture