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.

Shatter

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Shivan Dragon

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

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.

Sol Ring

Mountain

Hill Giant

Orcish Artillery

{T}: Orcish Artillery deals 2 damage to any target and 3 damage to you.

Jayemdae Tome

Iron Star

Whenever a player casts a red spell, you may pay {1}. If you do, you gain 1 life.

Atog

Sacrifice an artifact: Atog gets +2/+2 until end of turn.

Granite Gargoyle

Flying
{R}: Granite Gargoyle gets +0/+1 until end of turn.