{T}, Pay 1 life, Sacrifice this land: Search your library for a Mountain or Plains card, put it onto the battlefield, then shuffle.

{T}: Add {C}. Basic landcycling {1} ({1}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

({T}: Add {U}.)

When this land enters, sacrifice it. When you do, search your library for a basic Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle and you gain 1 life.

{T}, Pay 1 life, Sacrifice this land: Search your library for a Forest or Island card, put it onto the battlefield, then shuffle.

({T}: Add {R}.)

{T}: Add {C}. {2}, {T}: Choose a color. Add an amount of mana of that color equal to your devotion to that color. (Your devotion to a color is the number of mana symbols of that color in the mana costs of permanents you control.)

{T}, Pay 1 life, Sacrifice this land: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle.

({T}: Add {U} or {R}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

Equipped creature has "{1}: This creature deals 1 damage to target creature that's blocking it." Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

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

At the beginning of each player's upkeep, this artifact deals 1 damage to that player. {2}: Prevent the next 1 damage that would be dealt by this artifact this turn.

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

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

Choose one — • Burn Down the House deals 5 damage to each creature and each planeswalker. • Create three 1/1 red Devil creature tokens with "When this token dies, it deals 1 damage to any target." They gain haste until end of turn.

End the Festivities deals 1 damage to each opponent and each creature and planeswalker they control.

Until end of turn, permanents you control gain "{T}: This permanent deals 1 damage to any target."

Grapeshot deals 1 damage to any target. Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)

Make Mischief deals 1 damage to any target. Create a 1/1 red Devil creature token. It has "When this token dies, it deals 1 damage to any target."

Choose one — • Destroy target artifact. • Roll a six-sided die. When you do, Slight Malfunction deals 1 damage to each of up to X target creatures, where X is the result.

Battalion — Whenever this creature and at least two other creatures attack, this creature deals 1 damage to any target.

Menace (This creature can't be blocked except by two or more creatures.) If it's neither day nor night, it becomes day as this creature enters. Whenever day becomes night or night becomes day, this creature deals 1 damage to each opponent.

Landfall — Whenever a land you control enters, you may have this creature deal 1 damage to target player or planeswalker.

First strike As an additional cost to cast red permanent spells, you may pay 2 life. Those spells cost {R} less to cast if you paid life this way. This effect reduces only the amount of red mana you pay. Whenever you cast a red permanent spell, this creature deals 1 damage to any target.

Sorcerous Inspiration — At the beginning of your upkeep, return an instant or sorcery card at random from your graveyard to your hand. Fire of Tzeentch — Whenever you cast an instant or sorcery spell, this creature deals 1 damage to each opponent.

Flying {T}: This creature deals 1 damage to any target. Morph {U}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

{T}: This creature deals 1 damage to any target. Whenever you cast an instant or sorcery spell, you may untap this creature.

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.

This creature doesn't untap during your untap step. Whenever a creature dies, untap this creature. {T}: This creature deals 1 damage to any target.

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

Whenever an opponent activates an ability of an artifact, creature, or land that isn't a mana ability, this creature deals 1 damage to that player. {3}{R}{R}: This creature gets +3/+3 and gains menace until end of turn.

Flying {T}: This creature deals 1 damage to any target.

Afflict 3 (Whenever this creature becomes blocked, defending player loses 3 life.) At the beginning of each of your postcombat main phases, add {R} for each 1 life your opponents have lost this turn.

Flying Whenever Niv-Mizzet deals damage to a player, you may draw a card. {U}{R}: Niv-Mizzet deals 1 damage to any target.

This spell can't be countered. Flying Whenever you draw a card, Niv-Mizzet deals 1 damage to any target. Whenever a player casts an instant or sorcery spell, you draw a card.

Flying Whenever you draw a card, Niv-Mizzet deals 1 damage to any target. {T}: Draw a card.

{1}{R}{R}: Put a blaze counter on target land without a blaze counter on it. For as long as that land has a blaze counter on it, it has "At the beginning of your upkeep, this land deals 1 damage to you." (The land continues to burn after this creature has left the battlefield.)

Menace Whenever a player casts their first spell each turn, they create a Treasure token. Whenever an artifact an opponent controls is put into a graveyard from the battlefield, this creature deals 1 damage to that player.

{T}: This creature deals 1 damage to any target.

Whenever this creature attacks, create a tapped and attacking 1/1 red Devil creature token with "When this token dies, it deals 1 damage to any target." Blitz {3}{R} (If you cast this spell for its blitz cost, it gains haste and "When this creature dies, draw a card." Sacrifice it at the beginning of the next end step.)

{T}: This creature deals 1 damage to any target.

{T}: This creature deals 1 damage to any target.

Defender {T}: This creature deals 1 damage to each player.

Landfall — Whenever a land you control enters, this creature deals 1 damage to each opponent.

Soulbond (You may pair this creature with another unpaired creature when either enters. They remain paired for as long as you control both of them.) As long as Tandem Lookout is paired with another creature, each of those creatures has "Whenever this creature deals damage to an opponent, draw a card."

Alliance — Whenever another creature you control enters, this creature deals 1 damage to each opponent.

{T}: This creature deals 1 damage to any target.

Whenever an opponent casts a creature spell, this enchantment deals 1 damage to that player.

Whenever a creature blocks, this enchantment deals 1 damage to that creature's controller.

Whenever a player taps a nonbasic land for mana, this enchantment deals 1 damage to that player.

Whenever a creature without flying attacks you or a planeswalker you control, this enchantment deals 1 damage to that creature.

Whenever a creature you control becomes blocked, this enchantment deals 1 damage to any target.

Enchant creature You control enchanted creature. Enchanted creature has infect. (It deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

Enchant creature Whenever enchanted creature deals damage to an opponent, you may draw a card.

Enchant player At the beginning of enchanted player's upkeep, this Aura deals 1 damage to that player or a planeswalker that player controls.

At the beginning of your upkeep, put two descent counters on this enchantment. Then each player creates X Treasure tokens and this enchantment deals X damage to each player, where X is the number of descent counters on this enchantment.

Enchant enchantment At the beginning of the upkeep of enchanted enchantment's controller, this Aura deals 1 damage to that player.

Whenever a creature blocks, this enchantment deals 1 damage to that creature's controller.

Enchant creature Enchanted creature has "{T}: This creature deals 1 damage to any target."

Enchant creature Enchanted creature has "{T}: This creature deals 1 damage to any target." {1}{U}: Return this Aura to its owner's hand.

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

If this card is in your opening hand, you may begin the game with it on the battlefield. Whenever you cast a spell, you may pay {1}. If you do, this enchantment deals 1 damage to target player or planeswalker.

Enchant creature Enchanted creature has haste and "{T}: This creature deals 1 damage to any target."

Whenever a player taps a land for mana, this enchantment deals 1 damage to that player.

Flash (You may cast this spell any time you could cast an instant.) Enchant creature Whenever enchanted creature deals damage to an opponent, you may draw a card.

Enchant creature Enchanted creature has "{T}: This creature deals 1 damage to any target."

At the beginning of the end step, if no creatures are on the battlefield, sacrifice this enchantment. {R}: This enchantment deals 1 damage to each creature and each player.

Enchant creature Enchanted creature has "{T}: This creature deals 1 damage to target player or planeswalker. You draw a card."

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

({R/P} can be paid with either {R} or 2 life.) Gut Shot deals 1 damage to any target.