This land enters tapped unless you control a Mountain. {T}: Add {R}. {1}{R}{R}, {T}: Creatures you control get +1/+0 until end of turn.

{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}.)

You have no maximum hand size. {T}: Add {C}.

{T}: Add {C}. {4}, {T}: Target creature can't be blocked this turn.

{T}: Add {C}. {2}, {T}, Sacrifice a Desert: Exile all graveyards.

Whenever you discard a card, exile that card from your graveyard. {2}, {T}: Draw a card, then discard a card. {4}, {T}, Sacrifice this artifact: Return all cards exiled with this artifact to their owner's hand.

As this artifact enters, choose a creature type. Whenever you cast a spell of the chosen type, put a charge counter on this artifact. Creatures you control of the chosen type get +1/+1 for each charge counter on this artifact.

Whenever an opponent discards a card, you may draw a card.

As this artifact enters, choose a creature type. Creature spells you cast of the chosen type cost {1} less to cast. At the beginning of your upkeep, look at the top card of your library. If it's a creature card of the chosen type, you may reveal it and put it into your hand.

As this artifact enters, choose a color. Creatures you control of the chosen color get +1/+0. {T}: Add one mana of the chosen color.

You have no maximum hand size. If an effect causes you to discard a card, discard it, but you may put it on top of your library instead of into your graveyard.

{T}: Add {C}. {1}, {T}, Sacrifice this artifact: Draw a card.

{T}: Put a charge counter on this artifact. {T}: Each player draws a card for each charge counter on this artifact.

Equipped creature gets +1/-1. Whenever equipped creature dies, draw two cards. Equip {1}

{T}: Each player draws a card.

At the beginning of your end step, each opponent loses life equal to the number of tapped creatures you control.

Add {R} for each tapped land your opponents control.

Add {R}{R}{R}.

Changeling (This card is every creature type.) As this creature enters, choose a creature type. Whenever another creature you control of the chosen type enters, put a +1/+1 counter on this creature.

Whenever this creature attacks, you may pay {1} and discard a card. If you do, draw a card. Whenever you discard one or more nonland cards, you may exile one of them from your graveyard. If you do, you may cast it this turn.

Flying Whenever this creature deals combat damage to a player, each player discards their hand, then draws seven cards.

First strike (This creature deals combat damage before creatures without first strike.) If a source would deal damage to an opponent, it deals double that damage to that player instead.

When this creature dies, it deals 3 damage divided as you choose among one, two, or three targets.

When this creature enters, it deals 1 damage to each opponent. Delirium — At the beginning of each opponent's upkeep, if there are four or more card types among cards in your graveyard, this creature deals 1 damage to that player.

When this creature enters, you may search your library for an artifact card, put it into your graveyard, then shuffle. {R}, {T}, Sacrifice an artifact: Return target artifact card with mana value 3 or less from your graveyard to the battlefield.

{T}: Choose target artifact a player controls and target artifact card in that player's graveyard. If both targets are still legal as this ability resolves, that player simultaneously sacrifices the artifact and returns the artifact card to the battlefield.

Whenever you sacrifice a permanent, this creature deals 1 damage to any target.

Haste Whenever a creature you control attacks, this creature deals 1 damage to the player or planeswalker it's attacking.

Whenever another creature dies, you may have this creature deal 1 damage to target player or planeswalker.

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.) {1}, Sacrifice another creature: Put a +1/+1 counter on this creature.

When this creature dies, it deals 3 damage to any target.

{2}{R}: This creature deals 1 damage to target player or planeswalker.

During your turn, this creature has first strike. Whenever another creature dies, this creature deals 1 damage to target player or planeswalker.

Whenever you discard a creature card, put a +1/+1 counter on this creature. Whenever you discard a land card, create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.") Whenever you discard a noncreature, nonland card, this creature fights up to one target creature you don't control.

{R}, Sacrifice this creature: Destroy target artifact.

{R}, Sacrifice a creature: This enchantment deals 1 damage to any target.

This creature doesn't untap during your untap step. {1}, Sacrifice another creature: Untap this creature. Activate only during your turn.

Ghired's Belligerence deals X damage divided as you choose among any number of target creatures. Whenever a creature dealt damage this way dies this turn, populate. (Create a token that's a copy of a creature token you control.)

Sacrifice a creature: This enchantment deals 1 damage to any target.

Whenever a creature you control enters, this enchantment deals 1 damage to each opponent.

Whenever a creature you control attacks, it gets +1/+0 until end of turn for each other attacking creature that shares a creature type with it.

Nonbasic lands are Mountains.

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

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

If a creature you control would deal damage to a permanent or player, it deals double that damage instead.

Whenever a creature enters, you may add an amount of {C} equal to the number of creatures you control that share a creature type with it.

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

Create four 1/1 red Devil creature tokens. They have "When this token dies, it deals 1 damage to any target."

Choose two — • Incendiary Command deals 4 damage to target player or planeswalker. • Incendiary Command deals 2 damage to each creature. • Destroy target nonbasic land. • Each player discards all the cards in their hand, then draws that many cards.

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.

Create two 1/1 red Devil creature tokens. They have "When this token dies, it deals 1 damage to any target."

Lightning Bolt deals 3 damage to any target.

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

As this artifact enters, choose a color. Creatures you control of the chosen color get +1/+1. Whenever a land's ability causes you to add one or more mana of the chosen color, add one additional mana of that color.

{T}: Add one mana of any color in your commander's color identity. Sacrifice this artifact: Draw a card.

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 token: Add one mana of any color.")

{T}: Add {R}. As this artifact enters, you may have it become a copy of any creature on the battlefield until end of turn, except it has haste.

This artifact enters tapped. {T}: Add {R}.

Red spells you cast cost {1} less to cast.

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

When this creature enters, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle. When this creature dies, you may draw a card.

This artifact enters tapped. {T}: Add one mana of any color that a basic land you control could produce.

You have no maximum hand size. {T}: Add {C}.