Unlimited

Casting Cost:

As Lich enters the battlefield, you lose life equal to your life total.

You don't lose the game for having 0 or less life.

If you would gain life, draw that many cards instead.

Whenever you're dealt damage, sacrifice that many nontoken permanents. If you can't, you lose the game.

When Lich is put into a graveyard from the battlefield, you lose the game.

Casting Cost:

Lightning Bolt deals 3 damage to target creature or player.

Casting Cost: 

Casting Cost: 

All Forests are 1/1 creatures that are still lands.

Casting Cost:

Other Merfolk creatures get +1/+1 and have islandwalk. (They can't be blocked as long as defending player controls an Island.)

Casting Cost:

Flying, trample

At the beginning of your upkeep, sacrifice a creature other than Lord of the Pit. If you can't, Lord of the Pit deals 7 damage to you.

Casting Cost:

Change the text of target spell or permanent by replacing all instances of one basic land type with another. (For example, you may change "swampwalk" to "plainswalk." This effect lasts indefinitely.)

Casting Cost:

Flying (This creature can't be blocked except by creatures with flying or reach.)

Casting Cost:

Whenever a player taps a land for mana, that player adds one mana to his or her mana pool of any type that land produced.

Casting Cost: 

Tap all lands target player controls and empty his or her mana pool.

Casting Cost: 

Mana Vault doesn't untap during your untap step.

At the beginning of your upkeep, you may pay If you do, untap Mana Vault.

At the beginning of your draw step, if Mana Vault is tapped, it deals 1 damage to you.

: Add  to your mana pool.

Casting Cost: 

Whenever a player taps a land for mana, Manabarbs deals 1 damage to that player.

Casting Cost:

Creatures with power 3 or greater don't untap during their controllers' untap steps.

Casting Cost:

Target player discards X cards at random.

Casting Cost: 

: Add  to your mana pool.

Casting Cost: 

: Add  to your mana pool.

Casting Cost: 

: Add  to your mana pool.

Casting Cost: 

: Add  to your mana pool.

Casting Cost: 

: Add  to your mana pool.

Casting Cost: 

Look at the top three cards of target player's library, then put them back in any order. You may have that player shuffle his or her library.