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.)

Llanowar Elves

Nightmare

Flying (This creature can't be blocked except by creatures with flying or reach.)
Nightmare's power and toughness are each equal to the number of Swamps you control.

Lurking Nightstalker

Whenever Lurking Nightstalker attacks, it gets +2/+0 until end of turn.

Norwood Ranger

Elvish Herder

{G}: Target creature gains trample until end of turn.

Prowling Nightstalker

Prowling Nightstalker can't be blocked except by black creatures.

Village Elder

{G}, {T}, Sacrifice a Forest: Regenerate target creature.

Elven Cache

Return target card from your graveyard to your hand.

Tranquility

Giant Spider

Reach (This creature can block creatures with flying.)

Joven's Ferrets

Whenever Joven's Ferrets attacks, it gets +0/+2 until end of turn.
At end of combat, tap all creatures that blocked Joven's Ferrets this turn. They don't untap during their controller's next untap step.

Giant Growth

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

Craw Wurm

Hurricane

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

Gravedigger

When Gravedigger enters, you may return target creature card from your graveyard to your hand.

Swamp

Bear Cub

Plated Wurm

Shanodin Dryads

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

Salvage

Put target card from your graveyard on top of your library.

War Mammoth

Scryb Sprites

Venom

Enchant creature
Whenever enchanted creature blocks or becomes blocked by a non-Wall creature, destroy the other creature at end of combat.

Raiding Nightstalker

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

Brutal Nightstalker

When Brutal Nightstalker enters, you may have target opponent discard a card.

Scaled Wurm

Pouncing Jaguar

Echo {G} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)

Gravebane Zombie

If Gravebane Zombie would die, put Gravebane Zombie on top of its owner's library instead.

Abyssal Nightstalker

Whenever Abyssal Nightstalker attacks and isn't blocked, defending player discards a card.

Forest

Prevent all combat damage that would be dealt this turn.

Wall of Wood

Drudge Skeletons

{B}: Regenerate Drudge Skeletons. (The next time this creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

Sol Ring

Nether Shadow

Haste
At the beginning of your upkeep, if Nether Shadow is in your graveyard with three or more creature cards above it, you may put Nether Shadow onto the battlefield.

Mtenda Lion

Whenever Mtenda Lion attacks, defending player may pay {U}. If that player does, prevent all combat damage that would be dealt by Mtenda Lion this turn.

Unholy Strength

Enchant creature
Enchanted creature gets +2/+1.

Predatory Nightstalker

When Predatory Nightstalker enters, you may have target opponent sacrifice a creature of their choice.

Nightstalker Engine

Nightstalker Engine's power is equal to the number of creature cards in your graveyard.