most valuable 1999 pokemon cards 25 First Edition 1999 Pokémon Game Non-Sports/TCG Cards

Flashback Flashback Sorcery The Dawning Archaic This spell costs less to cast for each instant and sorcery card in your graveyard

The day is born within its branches

It is weaker at smoothing out your curve as it doesn't really filter cards without shuffle and despite being cheap it is still twice as much to lay and use a Top than it is to Preordain

Crew 2 If a permanent enters under an opponent's control with hexproof or indestructible after The Fire Nation Drill's first activated ability resolves, it won't lose that ability unless you activate The Fire Nation Drill's ability again

Three Phials will multiply that life gain by 8

Here are the details for those cards and the cards in their spellbooks