pokemon booster box 1st edition Vintage Gym Heroes Pokémon Team up with Misty 1st Edition Fossil Booster Box

Id also recommend keeping a few reanimation targets around for your own purposes

Barbflare Gremlin Blinding Flare Celestial Flare Essence Flare Final Flare Flare Flare of Cultivation Flare of Denial Flare of Duplication Flare of Faith Flare of Fortitude Flare of Malice Kami's Flare Lantern Flare Lens Flare Mana Flare Mega Flare Runeflare Trap Spirit Flare Sunflare Shaman Thoughtflare War Flare Whipflare Zenith Flare

This little relic of the past is also the only card that's ever explicitly referenced 'mana burn' in rules text

Draw a card for two life, or

Pokemon TCGs explosive popularity currently has new cards in short supply