Sinkhole

Hypnotic Specter

Flying
Whenever this creature deals damage to an opponent, that player discards a card at random.

Sengir Vampire

Flying (This creature can't be blocked except by creatures with flying or reach.)
Whenever a creature dealt damage by this creature this turn dies, put a +1/+1 counter on this creature.

Swamp

Strip Mine

{T}: Add {C}.
{T}, Sacrifice this land: Destroy target land.

Mountain

Stone Rain

Blood Moon

Maze of Ith

{T}: Untap target attacking creature. Prevent all combat damage that would be dealt to and dealt by that creature this turn.

Sedge Troll

This creature gets +1/+1 as long as you control a Swamp.
{B}: Regenerate this creature.

Demonic Tutor

Search your library for a card, put that card into your hand, then shuffle.

Uthden Troll

Triskelion

This creature enters with three +1/+1 counters on it.
Remove a +1/+1 counter from this creature: It deals 1 damage to any target.

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.

Mind Twist

Target player discards X cards at random.

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Disrupting Scepter

{3}, {T}: Target player discards a card. Activate only during your turn.

Dark Ritual

Chain Lightning

Chain Lightning deals 3 damage to any target. Then that player or that permanent's controller may pay {R}{R}. If the player does, they may copy this spell and may choose a new target for that copy.

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.

Mishra's Factory

{T}: Add {C}.
{1}: This land becomes a 2/2 Assembly-Worker artifact creature until end of turn. It's still a land.
{T}: Target Assembly-Worker creature gets +1/+1 until end of turn.

Shatter

Nevinyrral's Disk

This artifact enters tapped.
{1}, {T}: Destroy all artifacts, creatures, and enchantments.