Mountain

Wall of Ice

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.

Control Magic

Enchant creature
You control enchanted creature.

Tropical Island

Sol Ring

Sol Ring // Sol Ring

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.

Llanowar Elves

Air Elemental

Birds of Paradise

Regrowth

Return target card from your graveyard to your hand.

Mahamoti Djinn

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

Island

Time Walk

Forest

Mana Vault

This artifact doesn't untap during your untap step.
At the beginning of your upkeep, you may pay {4}. If you do, untap this artifact.
At the beginning of your draw step, if this artifact is tapped, it deals 1 damage to you.
{T}: Add {C}{C}{C}.

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.

Counterspell

Wild Growth

Enchant land
Whenever enchanted land is tapped for mana, its controller adds an additional {G}.

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Channel

Until end of turn, any time you could activate a mana ability, you may pay 1 life. If you do, add {C}.