Rile

Rile deals 1 damage to target creature you control. That creature gains trample until end of turn.
Draw a card.

Tilonalli's Crown

Enchant creature
When this Aura enters, it deals 1 damage to enchanted creature.
Enchanted creature gets +3/+0 and has trample.

Kris Mage

{R}, {T}, Discard a card: This creature deals 1 damage to any target.

Anaba Shaman

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

Gut Shot

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

Arcane Teachings

Enchant creature (Target a creature as you cast this. This card enters attached to that creature.)
Enchanted creature gets +2/+2 and has "{T}: This creature deals 1 damage to any target."

Makeshift Munitions

{1}, Sacrifice an artifact or creature: This enchantment deals 1 damage to any target.

Prodigal Pyromancer

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

Rolling Thunder

Rolling Thunder deals X damage divided as you choose among any number of targets.

Hagi Mob

Boast — {1}{R}: This creature deals 1 damage to any target. (Activate only if this creature attacked this turn and only once each turn.)

Needle Drop

Needle Drop deals 1 damage to any target that was dealt damage this turn.
Draw a card.

Power of Fire

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

Vithian Stinger

{T}: This creature deals 1 damage to any target.
Unearth {1}{R} ({1}{R}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

Scorched Rusalka

{R}, Sacrifice a creature: This creature deals 1 damage to target player or planeswalker.

Flare

Flare deals 1 damage to any target.
Draw a card at the beginning of the next turn's upkeep.

Vulshok Sorcerer

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

Spikeshot Goblin

{R}, {T}: This creature deals damage equal to its power to any target.

Fire Whip

Enchant creature you control
Enchanted creature has "{T}: This creature deals 1 damage to any target."
Sacrifice this Aura: It deals 1 damage to any target.

Flame Jab

Flame Jab deals 1 damage to any target.
Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.)

Arc Lightning

Arc Lightning deals 3 damage divided as you choose among one, two, or three targets.

Zap deals 1 damage to any target.
Draw a card.

Pyrotechnics

Pyrotechnics deals 4 damage divided as you choose among any number of targets.

Needletooth Raptor

Enrage — Whenever this creature is dealt damage, it deals 5 damage to target creature an opponent controls.