Seeker

Enchant creature
Enchanted creature can’t be blocked except by artifact creatures and/or white creatures.

White Ward

Enchant creature
Enchanted creature has protection from white. This effect doesn’t remove White Ward.

Blight

Enchant land
When enchanted land becomes tapped, destroy it.

Unstable Mutation

Enchant creature
Enchanted creature gets +3/+3.
At the beginning of the upkeep of enchanted creature’s controller, put a -1/-1 counter on that creature.

Burrowing

Enchant creature
Enchanted creature has mountainwalk. (It can’t be blocked as long as defending player controls a Mountain.)

Gaseous Form

Enchant creature
Prevent all combat damage that would be dealt to and dealt by enchanted creature.

Spirit Link

Enchant creature (Target a creature as you cast this. This card enters the battlefield attached to that creature.)
Whenever enchanted creature deals damage, you gain that much life.

Red Ward

Enchant creature
Enchanted creature has protection from red. This effect doesn’t remove Red Ward.

Wanderlust

Enchant creature
At the beginning of the upkeep of enchanted creature’s controller, Wanderlust deals 1 damage to that player.

Blue Ward

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

Regeneration

Enchant creature (Target a creature as you cast this. This card enters the battlefield attached to that creature.)
: Regenerate enchanted creature. (The next time that creature would be destroyed this turn, it isn’t. Instead tap it, remove all damage from it, and remove it from combat.)

Spirit Link

Enchant creature (Target a creature as you cast this. This card enters the battlefield attached to that creature.)
Whenever enchanted creature deals damage, you gain that much life.

Gaseous Form

Enchant creature
Prevent all combat damage that would be dealt to and dealt by enchanted creature.

Power Leak

Enchant enchantment
At the beginning of the upkeep of enchanted enchantment’s controller, that player may pay any amount of mana. Power Leak deals 2 damage to that player. Prevent X of that damage, where X is the amount of mana that player paid this way.

White Ward

Enchant creature
Enchanted creature has protection from white. This effect doesn’t remove White Ward.

Holy Armor

Enchant creature
Enchanted creature gets +0/+2.
: Enchanted creature gets +0/+1 until end of turn.

Power Leak

Enchant enchantment
At the beginning of the upkeep of enchanted enchantment’s controller, that player may pay any amount of mana. Power Leak deals 2 damage to that player. Prevent X of that damage, where X is the amount of mana that player paid this way.

Animate Wall

Enchant Wall
Enchanted Wall can attack as though it didn’t have defender.

Weakness

Enchant creature
Enchanted creature gets -2/-1.

Aspect of Wolf

Enchant creature
Enchanted creature gets +X/+Y, where X is half the number of Forests you control, rounded down, and Y is half the number of Forests you control, rounded up.

Erosion

Enchant land
At the beginning of the upkeep of enchanted land’s controller, destroy that land unless that player pays or 1 life.