1)
What Chen and Brachah will He give to us?
1.
Radak: After He redeems us, He will increase our benefit; the Brachah is increased good.
2.
Malbim: It is rain.
2)
What is the meaning of "Ya'er Panav"?
1.
Rashi: He will show a smiling face, to give dew and rain.
2.
Radak: He will make us succeed in all our deeds.
3.
Malbim: He will inform us via the Urim v'Tumim - "va'Yvakesh David Es Pnei Hashem" (Shmuel II, 21:1) - why the decree [of the famine] came.