Some of Slayer's songs that are critical of Christianity include "Angel of Death," "South of Heaven," and "Raining Blood." These songs contain lyrics that are critical of the Catholic Church, the Bible, and the concept of God. However, it is important to note that these songs are not meant to be taken literally, and that they are simply a form of artistic expression.
Slayer's music has been criticized by some religious groups, who believe that it promotes violence and hate speech. However, the band has defended its music, saying that it is protected by the First Amendment of the United States Constitution.
Overall, Slayer is a controversial band that has been criticized for its anti-Christian themes. However, the band members themselves have stated that they are not anti-Christian, and that their music is not meant to be taken seriously.