Players have no maximum hand size. At the beginning of each player's draw step, that player draws an additional card, then discards a card.

No more than two creatures can attack you each combat.

At the beginning of each player's draw step, that player draws two additional cards.

At the beginning of each player's upkeep, that player reveals the top card of their library. If it's an artifact, creature, enchantment, or land card, the player may put it onto the battlefield.

Each player may play an additional land on each of their turns. At the beginning of each player's upkeep, if that player has no cards in hand, that player draws three cards.

Activated abilities of creatures cost {1} less to activate. This effect can't reduce the mana in that cost to less than one mana.

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

Whenever a player casts a spell, they may pay {1}. If the player does, they draw a card at the beginning of the next end step.

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

Pendant of Prosperity enters the battlefield under the control of an opponent of your choice. {2}, {T}: Draw a card, then you may put a land card from your hand onto the battlefield. Pendant of Prosperity's owner draws a card, then that player may put a land card from their hand onto the battlefield.

{1}, {T}: Add {B}{R}.

{T}: Add {C}{C}.

At the beginning of each player's draw step, that player puts the cards in their hand on the bottom of their library in any order, then draws that many cards.

{T}: Each player draws a card.

Untap Victory Chimes during each other player's untap step. {T}: A player of your choice adds {C}.

{2}: Draw a card. Any player may activate this ability but only during their draw step.

Defender; reach (This creature can block creatures with flying.) Whenever Aether Membrane blocks a creature, return that creature to its owner's hand at end of combat.

Trample, haste When Clackbridge Troll enters the battlefield, target opponent creates three 0/1 white Goat creature tokens. At the beginning of combat on your turn, any opponent may sacrifice a creature. If a player does, tap Clackbridge Troll, you gain 3 life, and you draw a card.

Double strike When Crypt Champion enters the battlefield, each player puts a creature card with mana value 3 or less from their graveyard onto the battlefield. When Crypt Champion enters the battlefield, sacrifice it unless {R} was spent to cast it.

Extort (Whenever you cast a spell, you may pay {W/B}. If you do, each opponent loses 1 life and you gain that much life.) Whenever you tap a Swamp for mana, add an additional {B}.

First strike At the beginning of each opponent's end step, that player creates a 1/1 red Goblin creature token with "Creatures you control attack each combat if able."

{T}: Heartless Hidetsugu deals damage to each player equal to half that player's life total, rounded down.

{T}: Draw two cards. Target opponent gains control of Humble Defector. Activate only during your turn.

Whenever a creature an opponent controls attacks, if you're the defending player, create a 3/3 red Ogre creature token unless that creature's controller pays {3}.

{1}{R}, {T}, Sacrifice Magus of the Wheel: Each player discards their hand, then draws seven cards.

Trample Whenever Neheb, Dreadhorde Champion deals combat damage to a player or planeswalker, you may discard any number of cards. If you do, draw that many cards and add that much {R}. Until end of turn, you don't lose this mana as steps and phases end.

At the beginning of each player's upkeep, that player loses 2 life and draws two cards.

Trample Echo {0} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.) When Shah of Naar Isle's echo cost is paid, each opponent may draw up to three cards.

No more than one creature can attack each combat. No more than one creature can block each combat.

At the beginning of each end step, each player discards their hand.

Menace At the beginning of your upkeep, each player draws a card and loses 1 life.

Whenever Varchild, Betrayer of Kjeldor deals combat damage to a player, that player creates that many 1/1 red Survivor creature tokens. Survivors your opponents control can't block, and they can't attack you or planeswalkers you control. When Varchild leaves the battlefield, gain control of all Survivors.

As Bitter Feud enters the battlefield, choose two players. If a source controlled by one of the chosen players would deal damage to the other chosen player or a permanent that player controls, that source deals double that damage to that player or permanent instead.

Captive Audience enters the battlefield under the control of an opponent of your choice. At the beginning of your upkeep, choose one that hasn't been chosen — • Your life total becomes 4. • Discard your hand. • Each opponent creates five 2/2 black Zombie creature tokens.

Enchant player Whenever enchanted player is attacked, create a 2/2 black Zombie creature token. Each opponent attacking that player does the same.

Enchant player Whenever enchanted player is attacked, create a Gold token. Each opponent attacking that player does the same. (A Gold token is an artifact with "Sacrifice this artifact: Add one mana of any color.")

Flash If a source would deal damage to a permanent or player, it deals double that damage to that permanent or player instead.

Each creature has "When this creature dies, choose target opponent. That player puts this card from its owner's graveyard onto the battlefield under their control at the beginning of the next end step."

At the beginning of your upkeep, target opponent reveals the top three cards of their library, may put a creature card from among them onto the battlefield, then puts the rest into their graveyard. You do the same with the top three cards of your library. If two creatures are put onto the battlefield this way, those creatures fight each other.

Players can't gain life. At the beginning of each player's upkeep, that player loses half their life, rounded up.

At the beginning of each player's upkeep, that player mills a card. Then they create X 1/1 black Minion creature tokens, where X is the milled card's mana value.

Whenever a player taps a land for mana, that player adds one mana of any type that land produced.

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.

Whenever an opponent casts a spell, that player loses 5 life unless they discard a card.

Creatures named Lightning Rager can't attack you or planeswalkers you control. At the beginning of each player's upkeep, that player creates a 5/1 red Elemental creature token named Lightning Rager. It has trample, haste, and "At the beginning of the end step, sacrifice this creature."

Enchant creature Enchanted creature gets +2/+2, has first strike, and can't attack you or planeswalkers you control.

The owner of target permanent shuffles it into their library, then reveals the top card of their library. If it's a permanent card, they put it onto the battlefield.

Each time target permanent would deal damage to a permanent or player this turn, it deals double that damage to that permanent or player instead. Splice onto Arcane {2}{R}{R} (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)

Choose one — • Exile target player's graveyard. • Destroy target artifact. • Each creature deals 1 damage to its controller.

{T}: Add one mana of any color in your commander's color identity.

{T}: Add one mana of any color. Whenever you tap Forbidden Orchard for mana, target opponent creates a 1/1 colorless Spirit creature token.

{T}: Add {C}. {2}, {T}: Each player draws a card, then discards a card.

{T}: Add {C}. {2}, {T}: Each player draws a card.

({T}: Add {R}.)

{T}: Add one mana of any color. An opponent gains control of Rainbow Vale at the beginning of the next end step.

Each player discards all the cards in their hand, then creates that many 2/2 black Zombie creature tokens.

Each player draws three cards, then discards three cards at random.

Each player discards all the cards in their hand, then draws that many cards minus one.

Destroy target creature or planeswalker.

Draw two cards, then discard two cards. Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Search your library for a card, put that card into your hand, discard a card at random, then shuffle.

For each player, choose friend or foe. Each friend discards all cards from their hand, then draws that many cards plus one. Khorvath's Fury deals damage to each foe equal to the number of cards in their hand.

Choose a creature at random, then destroy the rest.

Choose two target players. Each of them searches their library for a card, then shuffles and puts that card on top.