Reverse Damage

The next time a source of your choice would deal damage to you this turn, prevent that damage. You gain life equal to the damage prevented this way.

Spell Blast

Counter target spell with mana value X. (For example, if that spell's mana cost is {3}{U}{U}, X is 5.)

Wild Growth

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

Transmutation

Switch target creature's power and toughness until end of turn.

Flash Counter

Priest of Yawgmoth

{T}, Sacrifice an artifact: Add an amount of {B} equal to the sacrificed artifact's mana value.

Firebreathing

Enchant creature
{R}: Enchanted creature gets +1/+0 until end of turn.

Lure

Enchant creature
All creatures able to block enchanted creature do so.

Pestilence

At the beginning of the end step, if no creatures are on the battlefield, sacrifice this enchantment.
{B}: This enchantment deals 1 damage to each creature and each player.

Ghost Ship

Flying
{U}{U}{U}: Regenerate this creature.

Scryb Sprites

Regeneration

Enchant creature (Target a creature as you cast this. This card enters attached to that creature.)
{G}: Regenerate enchanted creature. (The next time that creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

Cursed Rack

As this artifact enters, choose an opponent.
The chosen player's maximum hand size is four.

Prodigal Sorcerer

{T}: This creature deals 1 damage to any target.

Sage of Lat-Nam

Remove Soul

Unsummon

Return target creature to its owner's hand.

Glasses of Urza

Marsh Goblins

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

Pit Scorpion

Whenever this creature deals damage to a player, that player gets a poison counter. (A player with ten or more poison counters loses the game.)

Crumble

Destroy target artifact. It can't be regenerated. That artifact's controller gains life equal to its mana value.

Boomerang

Return target permanent to its owner's hand.

Spirit Shackle

Enchant creature
Whenever enchanted creature becomes tapped, put a -0/-2 counter on it.

Dark Heart of the Wood

Flashfires

Presence of the Master

Whenever a player casts an enchantment spell, counter it.

Hurricane

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

Benalish Hero

Banding (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 you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

Plague Rats

Plague Rats's power and toughness are each equal to the number of creatures named Plague Rats on the battlefield.

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.

Power Sink

Counter target spell unless its controller pays {X}. If that player doesn't, they tap all lands with mana abilities they control and lose all unspent mana.

Flight

Enchant creature
Enchanted creature has flying.

Resurrection

Return target creature card from your graveyard to the battlefield.

Wild Griffin

Scarwood Goblins

Kird Ape

This creature gets +1/+2 as long as you control a Forest.

War Mammoth

Jump

Target creature gains flying until end of turn.

Death Ward

Giant Growth

Target creature gets +3/+3 until end of turn.

Karma

At the beginning of each player's upkeep, this enchantment deals damage to that player equal to the number of Swamps they control.