I am His.

If you have the Holy Spirit living within you, you can say...

I am the salt of the earth. Matthew 5:13
I am the light of the world. Matthew 5:14
I am set free. John 8:31-33
I am protected by the power of his name. John 17:11
I am one with God the Father and God the son. John 17:23
I am God's gift to Christ. John 17:24 
I am made right in Gods' sight by faith. Romans 5:1
I am at peace with God. Romans 5:1
I am in the place of highest privilege. Romans 5:2
I am justified. Romans 5:9
I am reconciled to God. Romans 5:10
I am a receiver of God's grace. Romans 5:20
I am dead to sin and alive to God in Jesus Christ. Romans 6:11
I am free from the power of sin. Romans 6:14
I am a recipient of eternal life through Jesus Christ. Romans 6:23
I am free from condemnation. Romans 8:1
I am freed from the vicious cycle of sin and death. Romans 8:2
I am a son of God and co-heir with Christ. Romans 8:17
I am confident that all things work together for good. Romans 8:28
I am being conformed to the image of Christ. Romans 8:29
I am protected. Romans 8:31
I am inseparable from from God's love. Romans 8:35
I am more than a conqueror through Christ. Romans 8:37
I am established to the end. 1 Corinthians 1:8
I am infused with Jesus, made acceptable to God, pure and holy.  
    1 Corinthians 1:8
I am a recipient of things too wonderful to imagine. 1 Corinthians 2:9
I am God's temple, indwelt by the Holy Spirit. 1 Corinthians 3:16,17
I am washed, sanctified, and justified in Jesus. 1 Corinthians 6:11
I am of one spirit with God. 1 Corinthians 6:17
I am in the image and glory of God. 1 Corinthians 11:7
I am a sweet aroma manifesting the presence of God. 2 Corinthians 2:15
I am Christ's ambassador. 2 Corinthians 5:21
I am strongest when I am weak. 2 Corinthians 12:19
I am redeemed from the curse of the law. Galatians 3:13
I am filled with the fruit of the spirit. Galatians 5:22
I am in Jesus Christ. Ephesians 1:1
I am chosen by God to be holy and blameless. Ephesians 1:4
I am accepted. Ephesians 1:6
I am forgiven for all my sins. Ephesians 1:7
I am lavished with God's wisdom and insight to know His will. Ephesians 1:8,9
I am made alive with Christ. Ephesians 2:1,5
I am raised with Christ and seated in heavenly places. Ephesians 2:6
I am saved by faith through God's grace. Ephesians 2:8
I am God's handiwork, created in Christ. Ephesians 2:10
I am able to walk boldly into God's presence. Ephesians 3:12
I am strengthened with power through His spirit. Ephesians 3:16
I am indwelt with Christ to know the fullness of His love. Ephesians 3:17
I am strong in the Lord to fight all of Satan's attacks. Ephesians 6:10
I am a citizen of Heaven. Philippians 3:20
I am rejoicing in the Lord always. Philippians 4:4
I am anxious for nothing. Philippians 4:6
I am guarded by Gods' peace. Philippians 4:7
I am filled with the knowledge of His will. Colossians 1:9
I am strengthened with all power according to His might. Colossians 1:11
I am filled with Gods' power that works mightily in me. Colossians 1:29
I am complete in Christ, filled with God. Colossians 2:10
I am blameless. Colossians 2:12
I am being renewed to a true knowledge according to the image of Jesus. 
    Colossians 3:10
I am chosen. 1 Thessalonians 1:4
I am not given a spirit of fear, but of power, and of love, and a sound mind. 
    2 Timothy 1:7
I am adequate, complete, equipped for every good work. 2 Timothy 3:17
I am delivered from every evil deed. 2 Timothy 4:18
I am able to come boldly before the throne of grace to find mercy and grace. 
     Hebrews 4:16
I am lacking no wisdom. James 1:5
I am loved. Revelation 1:5
I am victorious. Revelation 21:7

Note: This not my own material. I borrowed it. :)