This land enters tapped unless you control a Mountain.

: Add .

, : Creatures you control get +1/+0 until end of turn.

This land enters tapped unless you control a Mountain.

: Add .

, , Exert this land: Add . If that mana is spent on a creature spell, it gains haste until end of turn. (An exerted permanent won't untap during your next untap step.)

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

: Add or .

This land enters tapped unless you control a basic land.

: Add .

, : Target creature you control gains firebending 4 until end of turn. (Whenever it attacks, add . This mana lasts until end of combat.)

As this land enters, you may reveal an Elemental card from your hand. If you don't, this land enters tapped.

: Add .

, : Target creature gains haste until end of turn.

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

: Add or .

This land enters tapped unless you control a Mountain or a Plains.

: Add or .

Mines of Moria enters tapped unless you control a legendary creature.

: Add .

, , Exile three cards from your graveyard: Create two Treasure tokens.

(: Add .)

This land enters tapped unless you control three or more other Mountains.

When this land enters untapped, create a 1/1 red Dwarf creature token.

Hideaway 4 (When this land enters, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.)

This land enters tapped.

: Add .

, : You may play the exiled card without paying its mana cost if an opponent was dealt 7 or more damage this turn.

As this land enters, you may reveal a Soldier card from your hand. This land enters tapped unless you revealed a Soldier card this way or you control a Soldier.

: Add or .

, : Soldiers you control get +1/+1 until end of turn.

This land enters tapped unless you control a Plains or a Swamp.

: Add or .

This land enters tapped unless you control a Forest or a Plains.

: Add or .

This land enters tapped unless you control an Island.

: Add .

, : The next spell you cast this turn has improvise. (Your artifacts can help cast that spell. Each artifact you tap after you're done activating mana abilities pays for .)

This land enters tapped.

: Add .

Station (Tap another creature you control: Put charge counters equal to its power on this Planet. Station only as a sorcery.)

12+ | , , Sacrifice a land: Create a 2/2 colorless Robot artifact creature token, then creatures you control get +1/+0 and gain haste until end of turn.

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

: Add or .

(: Add .)

This land enters tapped.

, : Shuffle your library. Activate only if you control two or more red permanents.

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

: Add or .