Aether Charge

Whenever a Beast you control enters, you may have it deal 4 damage to target opponent or planeswalker.

Skyshroud War Beast

Trample
As this creature enters, choose an opponent.
Skyshroud War Beast's power and toughness are each equal to the number of nonbasic lands the chosen player controls.

Contested Cliffs

{T}: Add {C}.
{R}{G}, {T}: Target Beast creature you control fights target creature an opponent controls. (Each deals damage equal to its power to the other.)

Krosan Warchief

Beast spells you cast cost {1} less to cast.
{1}{G}: Regenerate target Beast.

Hidden Herd

When an opponent plays a nonbasic land, if this permanent is an enchantment, it becomes a 3/3 Beast creature.

Wirewood Savage

Whenever a Beast enters, you may draw a card.

Ravenous Baloth

Hidden Predators

When an opponent controls a creature with power 4 or greater, if this permanent is an enchantment, it becomes a 4/4 Beast creature.