Keep in mind that this will require you to have the corresponding card in your MTGA collection or to have wildcards available to craft them, so there may be some extra work involved
Contents: 1 sealed Japanese promo booster pack 1 randomly inserted foil card from the 25-card promo set Chase Cards: Charizard 001/025 (Holo), Umbreon Gold Star 012/025, Shining Magikarp 010/025, Mew EX 014/025, M Rayquaza EX 024/025, Blastoise 003/025 (Holo), Venusaur 002/025 (Holo), Gardevoir EX 015/025, Mewtwo EX 022/025, Reshiram 020/025, Zekrom 021/025
Any player can pay four mana to remove one of those counters, and they can do it during any upkeep
If you have them, consider adding any of these cards in place of some of the less-efficient dual lands or even basic Swamps or Plains: Shadowy Backstreet, Concealed Courtyard, Isolated Chapel, Brightclimb Pathway/Grimclimb Pathway, Godless Shrine