energy counter cards mtg Highspire Infusion (Aether Revolt) Energy is mana

Seven mana is very steep for an artifact that needs other creatures to be successful, though

ability that allows him to bring with him a four or less cost location from your hand when hes played

You might be able to get a Played Black Lotus for 30,000, but a Near Mint BGS 9 can easily be worth ten times as much

With infinite mana, you can use the same strategy you used to recur Lotus Petal to loop Finale of Devastation into a hasty Deathrite Shaman, which you can activate an endless amount of times to drain opponents out of all their life

That's doable

Its probably best as part of the 99 somewhere, but it might work