13 The blood shall be to you for a token on the houses where you are. When I see the blood, I will pass over you, and no plague will be on you to destroy you when I strike the land of Egypt.
Exodus 12:13 Cross References - WEB
Genesis 17:11
11 You shall be circumcised in the flesh of your foreskin. It will be a token of the covenant between me and you.
Exodus 12:23
23 For Yahweh will pass through to strike the Egyptians; and when he sees the blood on the lintel, and on the two door posts, Yahweh will pass over the door, and will not allow the destroyer to come in to your houses to strike you.
Joshua 2:12
12 Now therefore, please swear to me by Yahweh, since I have dealt kindly with you, that you also will deal kindly with my father’s house, and give me a true sign;
1 Thessalonians 1:10
10 and to wait for his Son from heaven, whom he raised from the dead: Jesus, who delivers us from the wrath to come.
Hebrews 11:28
28 By faith, he kept the Passover, and the sprinkling of the blood, that the destroyer of the firstborn should not touch them.
1 John 1:7
7 But if we walk in the light, as he is in the light, we have fellowship with one another, and the blood of Jesus Christ, his Son, cleanses us from all sin.