are any digimon cards worth money 7 Rare That Secretly A Fortune Are these old digimon cards

It might have redefined Pauper, but mechanics that encourage people to do things and get aggressive, especially in Commander, are always winners in my book

There's Replenish but it's pricey or Resurgent Belief

Mist Mechanic Claiomh Solais WIND/Spellcaster-Type Link Effect Monster/Link-1/1200 ATK Link Arrows: Bottom Lore: 1 WIND Tuner If this card is Special Summoned, or if this Link Summoned card leaves the field by a monster effect: You can pay 600 LP

Enough to meet your need for storing and protecting cards

A basic game strategy is to manage Memory, so the other player has as little Memory to play with as possible