sealable card sleeves Marspark 300 Pcs Graded Resealable Card Sleeves Protective Slab Holders Bags Compatible with SGC and More Soft Polypropylene Prevents Scratches, Scrapes, Etc : Toys & Games purpose graded sleeves per package Designed to fits slabs from all major grading companies One inch lip for easy open and close Card Capsule 50 Count Exact

Assuming you used Red-Eyes Black Dragon as material for the XYZ summon, this effect allows you to bring back a 2,400-attack-point Monster immediately after Special Summoning Flare Metal Dragon

Pokemon TCG Pocket may take a more casual approach, and opt to not have gusting effects

The two-mana legal in Commander card pool is nearly twice as large as the one-mana one, so Im sure Id find enough underused cards that could see more play

Anniversary sets have a strong history of holding or increasing value in sealed condition

Lutri, the Spellchaser Its hard to have a card banned in Commander at the top of this list, so Lutri, the Spellchaser chills at number two