When you play another land, sacrifice this land.
: Add .

When this enchantment enters, each player chooses five lands they control and sacrifices the rest.
Players can't play lands as long as ten or more lands are on the battlefield.

At the beginning of your end step, you may reveal your hand and put all land cards from it onto the battlefield. If you do, discard your hand.

For each blocking creature, flip a coin. If you win the flip, prevent all combat damage that would be dealt by that creature this turn.

At the beginning of your upkeep, if you have 10 or less life, you gain 1 life.

At the beginning of each player's upkeep, that player chooses target player whose graveyard has fewer creature cards in it than their graveyard does and is their opponent. The first player may return a creature card from their graveyard to their hand.

Spells cost more to cast.

Trample
As this creature enters, choose an opponent.
Skyshroud War Beast's power and toughness are each equal to the number of nonbasic lands the chosen player controls.

At the beginning of each player's upkeep, that player chooses target player who has more life than they do and is their opponent. The first player may have this enchantment deal 1 damage to the second player.

: Destroy target nonblack creature with mana value X.

, Discard a creature card: Search your library for a creature card, reveal that card, put it into your hand, then shuffle.

At the beginning of each player's upkeep, that player chooses target player who controls more creatures than they do and is their opponent. The first player may reveal cards from the top of their library until they reveal a creature card. If the first player does, that player puts that card onto the battlefield and all other cards revealed this way into their graveyard.

At the beginning of each player's upkeep, that player chooses target player who controls more lands than they do and is their opponent. The first player may search their library for a basic land card, put that card onto the battlefield, then shuffle.

First strike, forestwalk, vigilance (This creature deals combat damage before creatures without first strike, it can't be blocked as long as defending player controls a Forest, and attacking doesn't cause this creature to tap.)

First strike, protection from black and from red (This creature deals combat damage before creatures without first strike. It can't be blocked, targeted, dealt damage, or enchanted by anything black or red.)

, : This creature loses this ability and becomes an Aura enchantment with enchant creature. Attach it to target creature. You may pay to end this effect.
You control enchanted creature.

, : Counter target spell.

Defender (This creature can't attack.)
At end of combat, exile all creatures blocked by this creature.
When this creature leaves the battlefield, return all cards exiled with it to the battlefield under their owners' control.

Buyback costs cost less.

Sacrifice a creature, Return this enchantment to its owner's hand: Return target creature card from your graveyard to the battlefield. Activate only as a sorcery.

Discard a land card: This enchantment deals 2 damage to any target.

Whenever you cast a creature spell, you may pay . If you do, return target creature to its owner's hand.

Discard a card: This creature gains shadow until end of turn. (It can block or be blocked by only creatures with shadow.)

Each player chooses from among the permanents they control an artifact, a creature, an enchantment, and a land, then sacrifices the rest.

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: Prevent all combat damage that would be dealt this turn.

Whenever a creature enters, that creature's controller may have it deal damage equal to its power to any target of their choice.

When this creature enters, destroy target nonbasic land.

This creature enters with two +1/+1 counters on it.
, Discard a card: Put a +1/+1 counter on this creature.
Remove two +1/+1 counters from this creature: Draw a card.

Pay 5 life: Destroy this enchantment. Any player may activate this ability but only during their turn.
Discard a card: Target player puts a card from their hand on top of their library. Activate only as a sorcery.

This creature can't attack unless you control more lands than defending player.
This creature can't block unless you control more lands than attacking player.

, , Discard your hand: Counter target noncreature spell.

At the beginning of each player's upkeep, that player chooses target player who has more cards in hand than they do and is their opponent. The first player may discard their hand and draw three cards.

, : Return target creature to its owner's hand unless its controller pays .

Each creature gets +1/+1 for each other creature on the battlefield that shares at least one creature type with it. (For example, if two Goblin Warriors and a Goblin Shaman are on the battlefield, each gets +2/+2.)

Flying
As this creature enters, choose an opponent.
Entropic Specter's power and toughness are each equal to the number of cards in the chosen player's hand.
Whenever this creature deals damage to a player, that player discards a card.

, Discard a card at random: This creature deals 2 damage to any target.