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.

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.

Guardian Angel

Prevent the next X damage that would be dealt to any target this turn. Until end of turn, you may pay any time you could cast an instant. If you do, prevent the next 1 damage that would be dealt to that permanent or player this turn.

Magical Hack

Change the text of target spell or permanent by replacing all instances of one basic land type with another. (For example, you may change “swampwalk” to “plainswalk.” This effect lasts indefinitely.)

Nettling Imp

: Choose target non-Wall creature the active player has controlled continuously since the beginning of the turn. That creature attacks this turn if able. Destroy it at the beginning of the next end step if it didn’t attack this turn. Activate only during an opponent’s turn, before attackers are declared.

Copper Tablet

At the beginning of each player’s upkeep, Copper Tablet deals 1 damage to that player.

Gauntlet of Might

Red creatures get +1/+1.
Whenever a Mountain is tapped for mana, its controller adds an additional .

Conversion

At the beginning of your upkeep, sacrifice Conversion unless you pay .
All Mountains are Plains.

Hypnotic Specter

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

Green Ward

Enchant creature
Enchanted creature has protection from green. This effect doesn’t remove Green Ward.

Drain Life

Spend only black mana on X.
Drain Life deals X damage to any target. You gain life equal to the damage dealt, but not more life than the player’s life total before the damage was dealt, the planeswalker’s loyalty before the damage was dealt, or the creature’s toughness.

Fastbond

You may play any number of lands on each of your turns.
Whenever you play a land, if it wasn’t the first land you played this turn, Fastbond deals 1 damage to you.

Camouflage

Cast this spell only during your declare attackers step.
This turn, instead of declaring blockers, each defending player chooses any number of creatures they control and divides them into a number of piles equal to the number of attacking creatures for whom that player is the defending player. Creatures those players control that can block additional creatures may likewise be put into additional piles. Assign each pile to a different one of those attacking creatures at random. Each creature in a pile that can block the creature that pile is assigned to does so. (Piles can be empty.)

Blue Ward

Enchant creature
Enchanted creature has protection from blue. This effect doesn’t remove Blue Ward.

Shivan Dragon

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

Black Knight

First strike (This creature deals combat damage before creatures without first strike.)
Protection from white (This creature can’t be blocked, targeted, dealt damage, or enchanted by anything white.)

Thicket Basilisk

Whenever Thicket Basilisk blocks or becomes blocked by a non-Wall creature, destroy that creature at end of combat.

Goblin King

Other Goblins get +1/+1 and have mountainwalk.

Lance

Enchant creature
Enchanted creature has first strike.