japanese obsidian flames booster box Pokémon - sv3 - Ruler of the Black Flame (Obsidian Flames) and Vespiquen with different types than usual Pokemon Scarlet & Violet Obsidian

Flotsam's a fine alternative to tack on, and especially useful in decks that care about Clue tokens

For just eight mana this indestructible Angel keeps all your permanents safe, vulnerable to only a few cards and effects

Jeskai Cycling: The Jeskai Cycling deck already has a lot of the best cycling cards and cycling payoffs, but a few big additions can be made, especially Decree of Silence and Decree of Annihilation (if you are feeling especially mean), which are the most powerful cards in all of Magic that you can cycle for free with Gavi, Nest Warden

Dusknoir Dangerous Psychic-type finisher

Temperature & Light Exposure Keep cellophane bags in a cool, shaded area, ideally at room temperature (1525C / 5977F)