Both are prayers for the end of ISIS and prayers for Conversion are more appropriate.
God has given us plenty of direction for our thought processes (come, let us reason together) and has blessed us with free will ... and I refuse to accept that God would want me to acquiesce to a murderer, thereby eliminating any effectiveness I may have for HIM.
As a born again Christian ... I go through this mental gymnastic three or four times a year in my (I try to) daily reading and prayer with Him.
I'm comfortable with killing an enemy that refuses to hear truth