mtg dominaria set booster box Magic The Gathering United Pack as all the common and uncommon cards are connected to each other SPICY Dominaria United Set Boosters!

If Starting Town enters during another player's turn, it'll enter tapped no matter how many turns they've taken

If an Adventure spell leaves the stack in any way other than resolving (most likely by being countered or by failing to resolve because its targets have all become illegal), that card won't be exiled and the spell's controller won't be able to play that card from exile later

Its passive ability, which essentially doubles your mana from all of your colorless lands, is absolutely terrifying

This is obviously a major jump, but you get a one-of-a-kind product that's intended to last just as long

Luxiors not necessarily the best equipment, but it makes the list for the sake of the weird interactions it creates