Tundra, for example, is both an Island and a Plains, so you can use any number of fetch lands to search your library for it and put it into play
However, these split cards are permanents that enter the battlefield when they resolve, and the second room can be opened at a later time by paying its mana cost
This card looks like it fell off the back of the Urzas Saga block delivery truck and got delivered to Kaladesh by mistake twenty years late
ThisMarch of the MachineCommander Deck set includes 1 ready-to-play deck of 100 Magic cards (2 Traditional Foil Legendary cards, 98 nonfoil cards), 10 specialty cards, a 2-card Collector Booster Sample Pack, 1 Foil-Etched Display Commander (a thick cardstock copy of the commander card with foil etched into the cards border and art), 10 double-sided tokens, 1 deck box (can hold 100 sleeved cards), 1 Life Wheel, 1 special die, 1 strategy insert, and 1 reference card
Mystical Tutor, Gamble, Vampiric Tutor, Demonic Tutor, Grim Tutor, Imperial Seal, Intuition Tutors