The List

Creature — Treefolk

Domain — For each basic land type among lands you control, this creature has landwalk of that type. (It can't be blocked as long as defending player controls a land of that type.)

Magnigoth Treefolk

Eighth Edition

Enchantment — Aura

Enchant artifact
You control enchanted artifact.

Steal Artifact

Enchantment

Whenever an opponent discards a card, this enchantment deals 2 damage to that player.

Megrim

Creature — Goblin

This creature can't attack unless a creature with greater power also attacks.
This creature can't block unless a creature with greater power also blocks.

Seventh Edition

Greed

Creatures you control have menace. (They can't be blocked except by two or more creatures.)

Goblin War Drums

Creature — Goblin Berserker

Haste (This creature can attack and {T} as soon as it comes under your control.)