Sol Ring

Black Lotus

{T}, Sacrifice Black Lotus: Add three mana of any one color.

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.

Mana Flare

Whenever a player taps a land for mana, that player adds one mana of any type that land produced.

Mox Ruby

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.

Wheel of Fortune

Each player discards their hand, then draws seven cards.

Basalt Monolith

Basalt Monolith doesn't untap during your untap step.
{T}: Add {C}{C}{C}.
{3}: Untap Basalt Monolith.

Mons's Goblin Raiders

Goblin Balloon Brigade

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

Gauntlet of Might

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