Megrim

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

Okk

Okk can’t attack unless a creature with greater power also attacks.
Okk can’t block unless a creature with greater power also blocks.

Greed

, Pay 2 life: Draw a card.

Megrim

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

Okk

Okk can’t attack unless a creature with greater power also attacks.
Okk can’t block unless a creature with greater power also blocks.

Goblin War Drums

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

Raging Goblin

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

Magnigoth Treefolk

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