Matthew 16:19

Isaiah 22:22 NIV
I will place on his shoulder the key to the house of David; what he opens no one can shut, and what he shuts no one can open.

Matthew 18:18 NIV
“Truly I tell you, whatever you bind on earth will be bound in heaven, and whatever you loose on earth will be loosed in heaven.

Revelation 1:18 NIV
I am the Living One; I was dead, and now look, I am alive for ever and ever! And I hold the keys of death and Hades.

Revelation 3:7 NIV
“To the angel of the church in Philadelphia write: These are the words of him who is holy and true, who holds the key of David. What he opens no one can shut, and what he shuts no one can open.