Circle of Protection: Red

{1}: The next time a red source of your choice would deal damage to you this turn, prevent that damage.

Greed

Jayemdae Tome

Mind Twist

Target player discards X cards at random.

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Divine Offering

Destroy target artifact. You gain life equal to its mana value.

Disenchant

Recall

Discard X cards, then return a card from your graveyard to your hand for each card discarded this way. Exile Recall.

Fellwar Stone

{T}: Add one mana of any color that a land an opponent controls could produce.

Island

Counterspell

Ivory Tower

At the beginning of your upkeep, you gain X life, where X is the number of cards in your hand minus 4.

Serra Angel

Power Sink

Counter target spell unless its controller pays {X}. If that player doesn't, they tap all lands with mana abilities they control and lose all unspent mana.

Mishra's Factory

{T}: Add {C}.
{1}: Mishra's Factory becomes a 2/2 Assembly-Worker artifact creature until end of turn. It's still a land.
{T}: Target Assembly-Worker creature gets +1/+1 until end of turn.

Blue Elemental Blast

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

Swords to Plowshares

Exile target creature. Its controller gains life equal to its power.

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.

Mahamoti Djinn

Flying (This creature can't be blocked except by creatures with flying or reach.)

Sol Ring

Earthquake

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

Mountain

Plains

City of Brass

Whenever City of Brass becomes tapped, it deals 1 damage to you.
{T}: Add one mana of any color.

Strip Mine

{T}: Add {C}.
{T}, Sacrifice Strip Mine: Destroy target land.

Regrowth

Return target card from your graveyard to your hand.

Blood Moon

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.

Braingeyser

Red Elemental Blast

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