Iron Star

Whenever a player casts a red spell, you may pay {1}. If you do, you gain 1 life.

Uthden Troll

Goblin Balloon Brigade

{R}: Goblin Balloon Brigade gains flying until end of turn.

Plateau

Mox Pearl

Sol Ring

Earthquake

Earthquake deals X damage to each creature without flying and each player.

Wheel of Fortune

Each player discards their hand, then draws seven cards.

Stone Rain

City in a Bottle

Whenever one or more other nontoken permanents with a name originally printed in the Arabian Nights expansion are on the battlefield, their controllers sacrifice them.
Players can't cast spells or play lands with a name originally printed in the Arabian Nights expansion.

Red Elemental Blast

Choose one —
• Counter target blue spell.
• Destroy target blue permanent.

Ball Lightning

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)
Haste (This creature can attack and {T} as soon as it comes under your control.)
At the beginning of the end step, sacrifice this creature.

Dragon Whelp

Flying
{R}: Dragon Whelp gets +1/+0 until end of turn. If this ability has been activated four or more times this turn, sacrifice Dragon Whelp at the beginning of the next end step.

Dwarven Warriors

{T}: Target creature with power 2 or less can't be blocked this turn.

Ydwen Efreet

Whenever Ydwen Efreet blocks, flip a coin. If you lose the flip, remove Ydwen Efreet from combat and it can't block this turn. Creatures it was blocking that had become blocked by only Ydwen Efreet this combat become unblocked.

Shatterstorm

Destroy all artifacts. They can't be regenerated.

Flashfires

Disintegrate

Disintegrate deals X damage to any target. If it's a creature, it can't be regenerated this turn, and if it would die this turn, exile it instead.

Rocket Launcher

{2}: Rocket Launcher deals 1 damage to any target. Destroy Rocket Launcher at the beginning of the next end step. Activate only if you've controlled Rocket Launcher continuously since the beginning of your most recent turn.

Knights of Thorn

Protection from red; banding (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

Orcish Oriflamme

Attacking creatures you control get +1/+0.

Maze of Ith

{T}: Untap target attacking creature. Prevent all combat damage that would be dealt to and dealt by that creature this turn.

Gauntlet of Might

Red creatures get +1/+1.
Whenever a Mountain is tapped for mana, its controller adds an additional {R}.

Su-Chi

Plains

Blood Moon

Ironclaw Orcs

Ironclaw Orcs can't block creatures with power 2 or greater.

Mountain

Jalum Tome

{2}, {T}: Draw a card, then discard a card.

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Detonate

Destroy target artifact with mana value X. It can't be regenerated. Detonate deals X damage to that artifact's controller.

Balance

Each player chooses a number of lands they control equal to the number of lands controlled by the player who controls the fewest, then sacrifices the rest. Players discard cards and sacrifice creatures the same way.

Mox Ruby

Disenchant

Fireball

This spell costs {1} more to cast for each target beyond the first.
Fireball deals X damage divided evenly, rounded down, among any number of targets.