Landfall - Whenever a land enters the battlefield under your control, you may put a quest counter on Khalni Heart Expedition.
Remove three quest counters from Khalni Heart Expedition and sacrifice it: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle your library.

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

Search your library for a basic land card and put that card onto the battlefield tapped. Then shuffle your library.

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

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.
: Add to your mana pool.

Lightning Bolt deals 3 damage to target creature or player.

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.

Lands you control are every basic land type in addition to their other types.

, Sacrifice Evolving Wilds : Search your library for a basic land card and put it onto the battlefield tapped. Then shuffle your library.

As an additional cost to cast Harrow, sacrifice a land.
Search your library for up to two basic land cards and put them onto the battlefield. Then shuffle your library.

, Sacrifice Terramorphic Expanse: Search your library for a basic land card and put it onto the battlefield tapped. Then shuffle your library.

Volcanic Fallout can't be countered.
Volcanic Fallout deals 2 damage to each creature and each player.

, Pay 1 life, Sacrifice Misty Rainforest: Search your library for a Forest or Island card and put it onto the battlefield. Then shuffle your library.

Raging Ravine enters the battlefield tapped.
: Add or to your mana pool.
: Until end of turn, Raging Ravine becomes a 3/3 red and green Elemental creature with "Whenever this creature attacks, put a +1/+1 counter on it." It's still a land.

You may play an additional land on each of your turns.
Play with the top card of your library revealed.
You may play the top card of your library if it's a land card.

Destroy target artifact or enchantment. Its controller gains 4 life.

When Obstinate Baloth enters the battlefield, you gain 4 life.
If a spell or ability an opponent controls causes you to discard Obstinate Baloth, put it onto the battlefield instead of putting it into your graveyard.

Copy target instant or sorcery spell. You may choose new targets for the copy.

Choose one - Slagstorm deals 3 damage to each creature; or Slagstorm deals 3 damage to each player.

Whenever a land enters the battlefield under an opponent's control, if that player had another land enter the battlefield under his or her control this turn, Tunnel Ignus deals 3 damage to that player.