The unlock/progression system is great, and while I have no idea why the Mutation board has half-sleeve spaces to keep cards in place, I absolutely love that it was built that way
To ensure your spaceships are able to trigger their effects you can use Riryoku to weaken opposing monsters, or Limiter Removal and Honest to power them up
Insert the card into the sleeve, making sure that the card is centered and straight
For raw card and BOX prices, use SNKRDUNK for current JPN market prices and Mercari for completed sale prices
Whether you collect or rip packs for content, this is a no-brainer
SR Super Rare UR Ultra Rare SE Secret Rare UL Ultimate Rare PS Platinum Secret Rare CR COLLECTOR'S RARE QCSE Quarter Century Secret Rare Twin Twisters X SPELL Quick-Play Discard 1 card, then target up to 2 Spells/Traps on the field