When you control a creature with toughness 2 or less, sacrifice this creature.

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 this artifact leaves the battlefield.

This creature enters with three +1/+1 counters on it.
, Remove a +1/+1 counter from this creature: Put a +1/+1 counter on target creature.
Remove a +1/+1 counter from this creature: This creature gets +2/+2 until end of turn.

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

Look at the top five cards of target player's library. Put any number of them on the bottom of that library in any order and the rest on top of the library in any order.

This creature can't be blocked.
This creature doesn't untap during your untap step if an opponent controls two or more creatures.

Draw three cards, then discard a card.

Flying
: This creature gets +1/+1 until end of turn.

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

Crovax 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.

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

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

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

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

Flying
: The next 1 damage that would be dealt to this creature this turn is dealt to target creature you control instead.

, : This artifact deals 1 damage to target creature. That creature attacks this turn if able.

: Add .

Destroy all nonbasic lands.

This creature enters with four +1/+1 counters on it.
, Remove a +1/+1 counter from this creature: It deals 1 damage to target creature.

Destroy all creatures target player controls. For each creature that died this way, that player creates two 1/1 red Goblin creature tokens.

Return all creatures to their owners' hands.

: Create a 1/1 colorless Sliver creature token.

As this artifact enters, choose a color and a creature type.
, : Create a 2/2 creature token of the chosen color and type.

Flying
: Change the target of target spell or ability that targets only this creature. The new target must be a creature.

This creature enters with four +1/+1 counters on it.
, Remove a +1/+1 counter from this creature: Put a +1/+1 counter on target creature.

Haste
: This creature gets +1/-1 until end of turn.

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

Trample
: The next 1 damage that would be dealt to this creature this turn is dealt to target creature you control instead.

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

Rather than pay the mana cost for a spell, its controller may discard a card that shares a color with that spell.

Trample
: This creature gets +1/-1 until end of turn.

Trample
: Regenerate this creature.

Flying
Whenever this creature deals damage, you gain that much life.

Flame Wave deals 4 damage to target player or planeswalker and each creature that player or that planeswalker's controller controls.