pokemon cards gx tag team charizard - Reshiram & - 20/214 - Ultra Rare and this attacks damage isnt affected by any effects on your opponents Active Pokémon 2019 Pokemon Japanese SM Tag

And all these cardsexcept the oversized Planechase cardscan be found inside Collector Boosters, not to mention cards with the TARDIS showcase treatment and a bunch of shiny foils

A clean sealed Kanto card set is a different object from an opened set with the same three cards

You can still run cards like Mana Confluence that would abide by the color identity rule normally to fix this, but the amount of lands that fit in this category are rather limited

The main thing to do is ensure you don't play too many

One quick note: make sure to buy extra of both the inner and outer sleeves because while your cards will be protected, it doesnt mean your sleeves won't suffer some damage