Unlimited

Casting Cost: 

Enchanted land has "At the beginning of your upkeep, you may pay . If you do, you gain 1 life."

Casting Cost:

You may play any number of lands on each of your turns.

Whenever you play a land, if it wasn't the first land you played this turn, Fastbond deals 1 damage to you.

Casting Cost:

Trample (This creature can deal excess combat damage to defending player or planeswalker while attacking.)

At the beginning of your upkeep, Force of Nature deals 8 damage to you unless you pay .

Casting Cost: 

: The next time an unblocked creature of your choice would deal combat damage to you this turn, prevent all but 1 of that damage.

Casting Cost:

Copy target instant or sorcery spell, except that the copy is red. You may choose new targets for the copy.

Casting Cost:

Whenever Fungusaur is dealt damage, put a +1/+1 counter on it.

Casting Cost:

As long as Gaea's Liege isn't attacking, its power and toughness are each equal to the number of Forests you control. As long as Gaea's Liege is attacking, its power and toughness are each equal to the number of Forests defending player controls.

: Target land becomes a Forest until Gaea's Liege leaves the battlefield.

Casting Cost: 

Red creatures get +1/+1.

Whenever a Mountain is tapped for mana, its controller adds  to his or her mana pool (in addition to the mana the land produces).

Casting Cost: 

Other Goblin creatures get +1/+1 and have mountainwalk. (They can't be blocked as long as defending player controls a Mountain.)

Casting Cost:

Flying

: Granite Gargoyle gets +0/+1 until end of turn.

Casting Cost:

, : Target creature gains banding until end of turn. (Any creatures with banding, up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding a player controls are blocking or being blocked by a creature, that player divides that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

Casting Cost:

At the beginning of each player's draw step, if Howling Mine is untapped, that player draws an additional card.

Casting Cost: 

Flying

Whenever Hypnotic Specter deals damage to an opponent, that player discards a card at random.

Casting Cost: 

Destroy target land.

Casting Cost: 

, : Tap target artifact, creature, or land.

Casting Cost: 

: You may choose a creature card in your hand whose mana cost could be paid by some amount of, or all of, the mana you spent on . If you do, you may cast that card face down as a 2/2 creature spell without paying its mana cost. If the creature that spell becomes as it resolves has not been turned face up and would assign or deal damage, be dealt damage, or become tapped, instead it's turned face up and assigns or deals damage, is dealt damage, or becomes tapped. Activate this ability only any time you could cast a sorcery.

Casting Cost: 

If you would draw a card during your draw step, instead you may skip that draw. If you do, until your next turn, you can't be attacked except by creatures with flying and/or islandwalk.

Casting Cost: 

, : Draw a card.

Casting Cost: 

All Swamps are 1/1 black creatures that are still lands.

Casting Cost: 

Enchant land

When enchanted land becomes tapped, destroy it. That land's controller attaches Kudzu to a land of his or her choice.