Colorless decks play a lot of unique lands
The planar types are Alara, Arkhos, Bolass Meditation Realm, Dominaria, Equilor, Iquatana, Ir, Kaldheim, Kamigawa, Karsus, Kinshala, Lorwyn, Luvion, Mercadia, Mirrodin, Moag, Muraganda, Phyrexia, Pyrulea, Rabiah, Rath, Ravnica, Segovia, Serras Realm, Shadowmoor, Shandalar, Ulgrotha, Valla, Wildfire, and Zendikar
Maybe Wizards thought the "activate only once" text would confuse players, but that actually simplifies the card since it can't bounce back and forth between the two options
The game accommodates up to six players
Just in time for the introduction of the new Wings of the Captain booster pack [OP-06] , visitors will be able to add to their collections, swap cards and compete in epic duels from March 15
The easiest yes would be if youre adding a splash plus extra late game cards on the play, in which case an extra land might suit your new curve better than whatever you had