back of japanese pokemon card Pokémon Authentic V/EX 25 Cards Hits-Only - 25 Authentic V/EX Japanese Pokémon Cards - Gradeable Mint V/EX Cards Pikachu Beauty Back Moon Promo

You can use folded paper to tighten up the gaps to prevent the cards from moving around too much

Crew 2 Illustrated by Stephan Martiniere Standard Legal Alchemy Legal Pioneer Legal Historic Legal Modern Legal Brawl Legal Legacy Legal Comp

Now you can see how your deck is really going to play

This isnt about reprinted cards (buy after three months) or Reserved List cards (if it didnt spike already, its a buy) but only about new, in pack cards

This sort of approach works because cards like Goblin Bombardment will actually reliably be among the most powerful cards in a Cube, which makes it a smart hedge, as opposed to digging yourself into a hole and trying to fill it with as many Goblins as you can find