Slagwoods Bridge

Slagwoods Bridge enters tapped.
Indestructible
{T}: Add {R} or {G}.

Silverbluff Bridge

Silverbluff Bridge enters tapped.
Indestructible
{T}: Add {U} or {R}.

Counter target spell unless its controller pays {3}.

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

Instant and sorcery spells you cast cost {1} less to cast.

Each spell you cast that's red or green costs {1} less to cast.

As an additional cost to cast this spell, sacrifice an artifact.
Create three 1/1 red Goblin creature tokens.

Thriving Bluff enters tapped. As it enters, choose a color other than red.
{T}: Add {R} or one mana of the chosen color.

Create a number of 1/1 red Goblin creature tokens equal to two plus the number of cards named Goblin Gathering in your graveyard.

Create three 1/1 red Goblin creature tokens.

Create two 1/1 red Goblin creature tokens.

Enchant land
As long as enchanted land is a basic Mountain, Goblin creatures get +0/+2.

As an additional cost to cast this spell, sacrifice a Goblin.
Goblin Grenade deals 5 damage to any target.

As an additional cost to cast this spell, tap four untapped creatures you control.
Draw three cards.

Goblin War Strike deals damage to target player or planeswalker equal to the number of Goblins you control.

Lightning Bolt deals 3 damage to any target.

Add two mana in any combination of colors.
Draw a card.

Cliffgate enters tapped.
As Cliffgate enters, choose a color other than red.
{T}: Add {R} or one mana of the chosen color.

{1}, {T}, Sacrifice Chromatic Star: Add one mana of any color.
When Chromatic Star is put into a graveyard from the battlefield, draw a card.