energy counter cards mtg Highspire Infusion (Aether Revolt) Aethersquall Ancient · Kaladesh (KLD)

Ben discovered that if you went up to 29 lands and 64 cards, the mana was much more reliable

Legendary Creature - Shaman Cat Silverback Elder Whenever you cast a creature spell, choose one Destroy target artifact or enchantment

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

If youre coming from another format like Modern or Historic, you might notice some analogues between decks

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