The valuable old cards are almost all 1999 Base Set holographic cards , and the biggest money is in the 1st Edition and Shadowless prints of the marquee Pokmon
Whether its God Packs, full art stunners, or powerful EX Pokmon, the most anticipated cards are the ones on the rarer side

Abandon Reason About Face Abrade Academic Dispute Accelerate Act of Aggression Active Volcano Aggravate Aleatory Aliban's Tower Ambitious Assault Ambush Ancestors' Aid Ancient Grudge Annihilating Fire Antagonize Arcbond Artifact Blast Artillerize Audacious Swap Aura Barbs Backdraft Balduvian Rage Banners Raised Barbed Lightning Barge In Barrel Down Sokenzan Barreling Attack Bash to Bits Battle Frenzy Battle Hymn Beacon of Destruction Berserker's Frenzy Betrayer's Bargain Big Score Blades of Velis Vel Blast from the Past Blastfire Bolt Blazing Crescendo Blazing Salvo Blazing Shoal Blind Fury Blind with Anger Blindblast Blitz of the Thunder-Raptor Blood Frenzy Blood Lust Blood Oath Blooming Blast Blur of Blades Boil Boiling Blood Bolt Bend Bombard Borrowed Hostility Bottle-Cap Blast Boulderfall Brand Brawl Break Open Breath Weapon Breath of Fire Brightstone Ritual Brimstone Volley Bring Low Brute Force Brute Strength Buccaneer's Bravado Built to Smash Bulk Up Bull Rush Burn Away

The Best Brothers War Commander Deck For Value Its hard to tell just yet which of the two decks is going to have the most valuable cards
Whenever a land enters the battlefield under your control, create a 1/1 white Human Warrior creature token
This can be fun, just to see how your deck compares to another person's