Goblin Arsonist

When Goblin Arsonist dies, you may have it deal 1 damage to any target.

Eroded Canyon

Eroded Canyon enters tapped.
When Eroded Canyon enters, it deals 1 damage to target opponent.
{T}: Add {U} or {R}.

Trick Shot

Trick Shot deals 6 damage to target creature and 2 damage to up to one other target creature token.

Island

Frilled Cave-Wurm

Descend 4 — Frilled Cave-Wurm gets +2/+0 as long as there are four or more permanent cards in your graveyard.

Scorching Shot

Scorching Shot deals 5 damage to target creature.

Marauding Brinefang

Ward {3} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {3}.)
Islandcycling {2} ({2}, Discard this card: Search your library for an Island card, reveal it, put it into your hand, then shuffle.)

Archaeomancer

When Archaeomancer enters, return target instant or sorcery card from your graveyard to your hand.

Mountain

Blackblade Reforged

Equipped creature gets +1/+1 for each land you control.
Equip legendary creature {3}
Equip {7}

Out of Air

This spell costs {2} less to cast if it targets a creature spell.
Counter target spell.

Daring Discovery

Up to three target creatures can't block this turn.
Discover 4. (Exile cards from the top of your library until you exile a nonland card with mana value 4 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)

Bladetusk Boar

Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.)

Goblin Battle Jester

Whenever you cast a red spell, target creature can't block this turn.

Hellkite Punisher

Flying
{R}: Hellkite Punisher gets +1/+0 until end of turn.

Failed Fording

Return target nonland permanent to its owner's hand. If you control a Desert, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

Wind Drake

Searing Spear

Searing Spear deals 3 damage to any target.

Mist Raven

Flying
When Mist Raven enters, return target creature to its owner's hand.

Switcheroo

Exchange control of two target creatures.

Lightning Strike

Lightning Strike deals 3 damage to any target.

Mind Sculpt

Chandra's Fury

Chandra's Fury deals 4 damage to target player or planeswalker and 1 damage to each creature that player or that planeswalker's controller controls.

Thought Scour

Target player mills two cards.
Draw a card.

Tempest Angler

Whenever you cast a noncreature spell, put a +1/+1 counter on Tempest Angler.

Furnace Whelp

Flying
{R}: Furnace Whelp gets +1/+0 until end of turn.

Swashbuckler's Whip

Equipped creature has reach, "{2}, {T}: Tap target artifact or creature," and "{8}, {T}: Discover 10." (Exile cards from the top of your library until you exile a nonland card with mana value 10 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)
Equip {1}

Brimstone Roundup

Whenever you cast your second spell each turn, create a 1/1 red Mercenary creature token with "{T}: Target creature you control gets +1/+0 until end of turn. Activate only as a sorcery."
Plot {2}{R} (You may pay {2}{R} and exile this card from your hand. Cast it as a sorcery on a later turn without paying its mana cost. Plot only as a sorcery.)

Unsummon

Return target creature to its owner's hand.

Belligerent Yearling

Trample
Whenever another Dinosaur you control enters, you may have Belligerent Yearling's base power become equal to that creature's power until end of turn.

Scytheclaw Raptor

Whenever a player casts a spell, if it's not their turn, Scytheclaw Raptor deals 4 damage to them.

Sleep

Tap all creatures target player controls. Those creatures don't untap during that player's next untap step.

Scalding Devil

{2}{R}: Scalding Devil deals 1 damage to target player or planeswalker.

Fire Elemental

Flames of the Firebrand

Flames of the Firebrand deals 3 damage divided as you choose among one, two, or three targets.

Gryff Vanguard

Flying
When Gryff Vanguard enters, draw a card.

Shoreline Looter

Shoreline Looter can't be blocked.
Threshold — Whenever Shoreline Looter deals combat damage to a player, draw a card. Then discard a card unless seven or more cards are in your graveyard.

Essence Scatter

Riot Devils

Seize the Storm

Create a red Elemental creature token with trample and "This creature's power and toughness are each equal to the number of instant and sorcery cards in your graveyard plus the number of cards with flashback you own in exile."
Flashback {6}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Chandra, Heart of Fire

+1: Discard your hand, then exile the top three cards of your library. Until end of turn, you may play cards exiled this way.
+1: Chandra, Heart of Fire deals 2 damage to any target.
−9: Search your graveyard and library for any number of red instant and/or sorcery cards, exile them, then shuffle. You may cast them this turn. Add six {R}.

Shifting Grift

Spree (Choose one or more additional costs.)
+ {2} — Exchange control of two target creatures.
+ {1} — Exchange control of two target artifacts.
+ {1} — Exchange control of two target enchantments.

Jace's Phantasm

Flying
Jace's Phantasm gets +4/+4 as long as an opponent has ten or more cards in their graveyard.

Divination

Jailbreak Scheme

Spree (Choose one or more additional costs.)
+ {3} — Put a +1/+1 counter on target creature. It can't be blocked this turn.
+ {2} — Target artifact or creature's owner puts it on the top or bottom of their library.

Reasonable Doubt

Counter target spell unless its controller pays {2}.
Suspect up to one target creature. (A suspected creature has menace and can't block.)