Given that the most common of cards cost 35 Pack Points to craft, while a 3-star card costs 1500 Pack Points to craft, you may be waiting a while to craft the exact cards you need
Mox Opal came along during the second Mirrodin block, and it only truly worked in artifact-heavy decks thanks to its metalcraft ability
Because Vivi's mana ability can only be activated on your turn, you can use it to cast big spells, and leave your lands open for counterspells or protection spells to keep Vivi alive until your next turn
Play Boosters, the Bundle, and the Beginner Box tend to be printed deeper, and they are usually easier to find on a shelf
Arceus and the Jewel of Life Zoroark - Master of Illusions Black: Victini & ReshiramWhite: Victini & Zekrom Kyurem VS The Sword of Justice -Meloetta's Midnight Serenade Genesect and the Legend Awakened Diancie & The Cocoon of Destruction Hoopa & The Clash of Ages Volcanion and the Mechanical Marvel Pokmon I Choose You
Of course, we hadnt reached a point where any Pokmons HP or damage output would even come close to needing a handicap like that