the infinite forbidden booster box Yu-Gi-Oh! 12-Box Case Oh G Booster Display by Konami Yugioh The Infinite Forbidden Booster

In a mono-color or even two-color deck that consistently deploys big creatures, adding a colorless land to the deck shouldnt hurt its mana fixing too much

Compulsory Evacuation Device is useful for preventing your opponent from Special Summoning multiple Monsters since you can use it to effectively negate their Normal Summon

XXG gives you X manifested creatures, then immediately puts X +1/+1 counters on each of them

The fairness of a 50% probability for heads or tails ensures an even playing field for all players

Theyre not great, considering you could just play an on-color talisman or Mind Stone for roughly the same effect, but Urtet, Remnant of Memnarch gives them a home, and some decks specifically want access to artifact creatures