Put a +1/+1 counter on target creature you control if its power is 4 or greater. Then that creature gets +1/+1 until end of turn and fights target creature you don't control.
Flavor:
"I came and called the trees by their long names, but they did not hear or answer—they lay dead." —Quickbeam
Set:
Universes Beyond: The Lord of the Rings: Tales of Middle-earth