Scapeshift

Sacrifice any number of lands. Search your library for that many land cards, put them into play tapped, then shuffle your library.

Primeval Titan

Trample Whenever Primeval Titan enters the battlefield or attacks, you may search your library for up to two land cards, put them onto the battlefield tapped, then shuffle your library.

Farseek

Search your library for a Plains, Island, Swamp, or Mountain card and put it into play tapped. Then shuffle your library.

Search for Tomorrow

Search your library for a basic land card and put it into play. Then shuffle your library. Suspend 2—{G} (Rather than play this card from your hand, you may pay {G} and remove it from the game with two time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, play it without paying its mana cost.)

Lightning Bolt

Lightning Bolt does 3 damage to one target.

Explore

You may play an additional land this turn. Draw a card.

Valakut, the Molten Pinnacle

Valakut, the Molten Pinnacle enters the battlefield tapped. Whenever a Mountain enters the battlefield under your control, if you control at least five other Mountains, you may have Valakut, the Molten Pinnacle deal 3 damage to target creature or player. {T}: Add {R} to your mana pool.

Misty Rainforest

Verdant Catacombs

Windswept Heath

Wooded Foothills

Cinder Glade

Sakura-Tribe Elder

Chandra, Flamecaller

Tireless Tracker

Chandra, Torch of Defiance

Sweltering Suns

Stomping Ground

({T}: Add {R} or {G}.) As Stomping Ground enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

Mountain

({T}: Add {R}.)

Forest

({T}: Add {G}.)