pokemon trading card game astral radiance TCG: Sword & Shield 4 Booster Packs : Toys & Games Offering in Pokemon Trading Card Games SAS10

I wasn't eager to have an Avenger of Zendikar stunt double

Being able to find any Artifact or Enchantment for one white mana and put it on the top of your deck at Instant speed is crazy

Card Details Set Mystery Booster 2 (MB2) Rarity rare Colors R Artist Greg Hildebrandt & Tim Hildebrandt Collector # 190

You now have three colourless mana floating, and can do it again: tap Basalt Monolith to make three more colourless mana, pay three to untap it, copy the ability using two colourless and Rings of Brighthearth, untap Basalt Monolith once, tap it to make three more colourless, and then untap it with the copied ability