Taiga

Tropical Island

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}.

Island

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.

Birds of Paradise

Llanowar Elves

Forest

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.

Volcanic Island

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Mountain

Sol Ring

Channel

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

Braingeyser

Fastbond

You may play any number of lands on each of your turns.
Whenever you play a land, if it wasn't the first land you played this turn, this enchantment deals 1 damage to you.