If Mox Diamond would enter, you may discard a land card instead. If you do, put Mox Diamond onto the battlefield. If you don't, put it into its owner's graveyard.
: Add one mana of any color.

: Add .
, : Put target creature card from your graveyard on top of your library.

Whenever an opponent plays a land, you may put a land card from your hand onto the battlefield.

: The next 1 damage that would be dealt to Shaman en-Kor this turn is dealt to target creature you control instead.
: The next time a source of your choice would deal damage to target creature this turn, that damage is dealt to Shaman en-Kor instead.

Buyback (You may pay an additional as you cast this spell. If you do, put this card into your hand as it resolves.)
Target land becomes a 2/2 creature that's still a land. (This effect lasts indefinitely.)

, : Reveal cards from the top of your library until you reveal a basic land card. Put that card into your hand and all other cards revealed this way into your graveyard.

Whenever a nontoken permanent is put into your graveyard from the battlefield, Jinxed Ring deals 1 damage to you.
Sacrifice a creature: Target opponent gains control of Jinxed Ring. (This effect lasts indefinitely.)

Whenever a spell or ability an opponent controls causes a land to be put into your graveyard from the battlefield, return that card to the battlefield.

: Target legendary creature gets +2/+2 until end of turn.

Wall creatures can attack as though they didn't have defender.

, Discard a card at random: Put a +1/+1 counter on target creature.

, Tap an untapped creature you control: You gain 2 life. Activate only as a sorcery.

All creatures block each combat if able.
The attacking player chooses how each creature blocks each combat.

Creatures don't untap during their controllers' untap steps.
Whenever a creature enters, untap all creatures.

, Sacrifice a creature: Destroy target nonblack creature.

Whenever a player plays a land, that player draws a card.

As long as the top card of your graveyard is a creature card, Volrath's Shapeshifter has the full text of that card and has the text ": Discard a card." (Volrath's Shapeshifter has that card's name, mana cost, color, types, abilities, power, and toughness.)
: Discard a card.

Shadow (This creature can block or be blocked by only creatures with shadow.)
Whenever Soltari Champion attacks, other creatures you control get +1/+1 until end of turn.

Skeleton Scavengers enters with a +1/+1 counter on it.
Pay for each +1/+1 counter on Skeleton Scavengers: Regenerate Skeleton Scavengers. When it regenerates this way, put a +1/+1 counter on it.

Creatures with power greater than the number of cards in your hand can't attack.

Put a card from your hand on top of your library: Prevent all damage that would be dealt by target instant or sorcery spell this turn.

Whenever a creature you control dies, each other player sacrifices a creature of their choice.

Whenever a creature enters, if there are two or more other creatures on the battlefield, exile that creature. Return that card to the battlefield under its owner's control when Portcullis leaves the battlefield.

Whenever a creature is put into your graveyard from the battlefield, put that card on top of your library.

At the beginning of each upkeep, untap all creatures and lands.

Mindwarper enters with three +1/+1 counters on it.
, Remove a +1/+1 counter from Mindwarper: Target player discards a card. Activate only as a sorcery.

Untap all creatures you control and all creatures target opponent controls. You and that opponent each gain control of all creatures the other controls until end of turn. Those creatures gain haste until end of turn.

If you would draw a card, you may put a study counter on Pursuit of Knowledge instead.
Remove three study counters from Pursuit of Knowledge, Sacrifice Pursuit of Knowledge: Draw seven cards.

Crovax the Cursed enters with four +1/+1 counters on it.
At the beginning of your upkeep, you may sacrifice a creature. If you do, put a +1/+1 counter on Crovax. If you don't, remove a +1/+1 counter from Crovax.
: Crovax gains flying until end of turn.

Shadow (This creature can block or be blocked by only creatures with shadow.)
Whenever Thalakos Deceiver attacks and isn't blocked, you may sacrifice it. If you do, gain control of target creature. (This effect lasts indefinitely.)

Destroy all nonbasic lands.

Spike Breeder enters with three +1/+1 counters on it.
, Remove a +1/+1 counter from Spike Breeder: Put a +1/+1 counter on target creature.
, Remove a +1/+1 counter from Spike Breeder: Create a 1/1 green Spike creature token.

Flying (This creature can't be blocked except by creatures with flying or reach.)
Sacrifice Shard Phoenix: It deals 2 damage to each creature without flying.
: Return Shard Phoenix from your graveyard to your hand. Activate only during your upkeep.

Return all creatures to their owners' hands.

Flying
Revenant's power and toughness are each equal to the number of creature cards in your graveyard.

: Create a 1/1 colorless Sliver creature token.