5th Edition

: Add 1 to your mana pool.

: Add  or  to your mana pool. Adarkar Wastes deals 1 damage to you.

Casting Cost:

Sacrifice a creature: Add  to your mana pool.

Casting Cost:

Trample (If this creature would assign enough damage to its blockers to destroy them, you may have it assign the rest of its damage to defending player or planeswalker.)

Haste (This creature can attack and Tap as soon as it comes under your control.)

At the beginning of the end step, sacrifice Ball Lightning.

Casting Cost:

Flying

: Add one mana of any color to your mana pool.

Casting Cost: 

Flip a coin. If you win the flip, you gain 1 life and target opponent loses 1 life, and you decide whether to flip again. If you lose the flip, you lose 1 life and that opponent gains 1 life, and that player decides whether to flip again. Double the life stakes with each flip.

Casting Cost:

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

Casting Cost:

Return all artifacts target player owns to his or her hand.

Casting Cost:

, , Sacrifice Jester's Cap: Search target player's library for three cards and exile them. Then that player shuffles his or her library.

Casting Cost: 

Destroy all artifacts, creatures, and lands. They can't be regenerated.

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:

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:

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: 

Skip your draw step.

Whenever you discard a card, exile that card from your graveyard.

Pay 1 life: Exile the top card of your library face down. Put that card into your hand at the beginning of your next end step.

Casting Cost:

Haste

At the beginning of your upkeep, if Nether Shadow is in your graveyard with three or more creature cards above it, you may put Nether Shadow onto the battlefield.

Casting Cost: 

Each player loses a third of his or her life, then discards a third of the cards in his or her hand, then sacrifices a third of the creatures he or she controls, then sacrifices a third of the lands he or she controls. Round up each time.