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.

, : Target player discards a card. Activate only as a sorcery.

Sacrifice a Forest: Regenerate this creature.

When you cast a spell, return this creature to its owner's hand.

Buyback—Pay 3 life, Discard a card at random. (You may pay 3 life and discard a card at random in addition to any other costs as you cast this spell. If you do, put this card into your hand as it resolves.)
Destroy target land.

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.

Flying
: Put this creature on top of its owner's library.

When this creature enters, destroy target nonbasic land.

At the beginning of your upkeep, if all nonland permanents you control are white, you gain 1 life.

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

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.

Buyback—Pay 4 life. (You may pay 4 life in addition to any other costs as you cast this spell. If you do, put this card into your hand as it resolves.)
Destroy target nonblack creature. It can't be regenerated.

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.

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.

Whenever this creature attacks, defending player chooses an untapped creature they control. That creature blocks this creature this turn if able.

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

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.

: This creature gains flying until end of turn.

Target player discards three cards.

Flying
This creature enters with three +1/+1 counters on it.
, Remove a +1/+1 counter from this creature: Create a 1/1 colorless Thopter artifact creature token with flying. Activate only as a sorcery.
, Sacrifice another Thopter: Put a +1/+1 counter on this creature. Activate only as a sorcery.

Cast this spell only during your end step.
As an additional cost to cast this spell, pay X life.
Draw X cards.

Whenever this creature becomes blocked by a creature, this creature gets +1/+1 until end of turn.

Flying, first strike

When this creature enters, you may return target instant card from your graveyard to your hand.

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.)

As an additional cost to cast this spell, pay X life.
Target creature gets +X/+0 until end of turn.

: This creature gets +3/+3 until end of turn. Activate only once each turn.

When this creature enters, you may return target sorcery card from your graveyard to your hand.

Flying
This creature can't attack unless you sacrifice a land. (This cost is paid as attackers are declared.)

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

Discard a card: You may tap or untap target artifact, creature, or land.

Flying
Discard a card: Return this creature to its owner's hand.

First strike
At the beginning of your upkeep, sacrifice this creature unless you pay .
Whenever this creature deals damage to a creature, exile that creature.

This creature enters with six +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: Regenerate this creature.