Sol Ring

Hurricane

Hurricane deals X damage to each creature with flying and each player.

Stone Rain

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.

Force of Nature

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)
At the beginning of your upkeep, Force of Nature deals 8 damage to you unless you pay {G}{G}{G}{G}.

Craw Wurm

Shivan Dragon

Flying
{R}: This creature gets +1/+0 until end of turn.

Shatter

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.

Channel

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

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Wild Growth

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