Ba Sing Se

This land enters tapped unless you control a legendary green creature.

: Add .

, : Create a 2/2 green Bear creature token, then mill three cards. Activate only as a sorcery.

(Melds with Titania, Voice of Gaea.)

This land enters tapped.

: Add .

, , Sacrifice this land: Discover 4. Activate only as a sorcery. (Exile cards from the top of your library until you exile a nonland card with mana value 4 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)

This land enters tapped unless you control an Island or a Swamp.

: Add .

, : Surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

This land enters tapped unless you control a Forest.

: Add .

, : Add six . Spend this mana only to cast creature spells or activate abilities of creatures.

This land enters tapped.

: Add .

, , Sacrifice this land: Up to one target creature you don't control gets -2/-2 until end of turn. Create two 1/1 green Elf Warrior creature tokens. Activate only as a sorcery.

This land enters tapped unless you control a Mount or Vehicle.

: Add .

, , Sacrifice this land: Create a 1/1 colorless Pilot creature token with "This token saddles Mounts and crews Vehicles as though its power were 2 greater." Activate only as a sorcery.