12 card display case Fanatics - Slot Vertical - Graded Acrylic Yugioh cards 12 Graded Card Display Case

Namely, most of the flashback and friends cards were created for non-commander formats, and some of the good ones are a nonbo with being copied (Echo of Eons)

It then lets you Special Summon a Tuner Monster from the Graveyard, giving you a chance to attack for the victory

Many of these cards are legendary soldiers that run decks of other soldiers, but many are also soldier type legends that want to run other kinds of decks entirely

Green is good when you need to put lands into the graveyard, my simple solution is a budget land that fetches in Terramorphic Expanse, and the expensive solution is a fetch land like Misty Rainforest