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Knockdown Pounce
Ranger Attack 13

Your beast companion hurls itself at your quarry as you make a forceful attack. The combination sends your foe sprawling.

Melee weapon (beast 1)

Target: One creature designated as your quarry
Effect: Before the attack, your beast companion can shift its speed.

Attack: Strength vs. AC

Hit: 2[W] + Strength modifier damage and you push the target square and knock it prone.

Beast: If your companion is a bear, a boar, a cat, or a raptor, you instead push the target 2 squares.

Knockdown Pounce is an encounter power available to rangers at the 13th level.[MP:51]