Steam Catapult

: Destroy target tapped creature. Activate this ability only during your turn, before attackers are declared.

Winter Orb

As long as Winter Orb is untapped, players can’t untap more than one land during their untap steps.

Nevinyrral’s Disk

Nevinyrral’s Disk enters the battlefield tapped.
, : Destroy all artifacts, creatures, and enchantments.

Greven il-Vec

Whenever a creature you control deals damage to a creature, destroy the other creature. It can’t be regenerated.

Urza

: Urza deals 1 damage to any target.

Power Struggle

During each player’s upkeep, that player exchanges control of random target artifact, creature or land he or she controls, for control of random target permanent of the same type that a random opponent controls.

Mana Vault

Mana Vault doesn’t untap during your untap step.
At the beginning of your upkeep, you may pay . If you do, untap Mana Vault.
At the beginning of your draw step, if Mana Vault is tapped, it deals 1 damage to you.
: Add .

Memory Lapse

Counter target spell. If that spell is countered this way, put it on top of its owner’s library instead of into that player’s graveyard.

Mana Clash

You and target opponent each flip a coin. Mana Clash deals 1 damage to each player whose coin comes up tails. Repeat this process until both players’ coins come up heads on the same flip.

Mind Bomb

Each player may discard up to three cards. Mind Bomb deals damage to each player equal to 3 minus the number of cards they discarded this way.

Fireball

This spell costs more to cast for each target beyond the first.
Fireball deals X damage divided evenly, rounded down, among any number of targets.

Heal

Prevent the next 1 damage that would be dealt to any target this turn.
Draw a card at the beginning of the next turn’s upkeep.

Necropotence

Skip your draw step.
Whenever you discard a card, exile that card from your graveyard.
Pay 1 life: Exile the top card of your library face down. Put that card into your hand at the beginning of your next end step.

Nevinyrral’s Disk

Nevinyrral’s Disk enters the battlefield tapped.
, : Destroy all artifacts, creatures, and enchantments.

Winter Orb

As long as Winter Orb is untapped, players can’t untap more than one land during their untap steps.

Helm of Chatzuk

, : Target creature gains banding until end of turn. (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding a player controls are blocking or being blocked by a creature, that player divides that creature’s combat damage, not its controller, among any of the creatures it’s being blocked by or is blocking.)

Flying Carpet

, : Target creature gains flying until end of turn.

Brothers of Fire

: Brothers of Fire deals 1 damage to any target and 1 damage to you.

Mindstab Thrull

Whenever Mindstab Thrull attacks and isn’t blocked, you may sacrifice it. If you do, defending player discards three cards.

Torture

Enchant creature
: Put a -1/-1 counter on enchanted creature.

Mind Ravel

Target player discards a card.
Draw a card at the beginning of the next turn’s upkeep.

Feldon’s Cane

, Exile Feldon’s Cane: Shuffle your graveyard into your library.