all will be one set booster box Magic: The Gathering - Phyrexia: Pack 7 Common Is this Set Boosterbox of

In 2019, I snagged one of the first Secret Lair sets, Kaleidoscope Killers, which featured amazing art by Justine Jones on three five-color legends, including The Ur-Dragon

Getting value and abilities from your graveyard can be a huge advantage

When this creature dies, create a 3/3 colorless Golem artifact creature token with flying, a 3/3 colorless Golem artifact creature token with vigilance, and a 3/3 colorless Golem artifact creature token with trample

Don't forget that it has a two-energy retreat cost

People generally frown upon MLD so Ruination effects are off the table and even then they do little against other Mono Color decks or Green basic ramp decks