Revelation 6:5
When he opened the third seal, I heard the third living creature say, "Come." And I looked, and behold, a black horse; and its rider had a pair of scales in his hand.
Revelation 4:6-7
and before the throne there was as it were a sea of glass, like crystal. And in the center, around the throne, are four living creatures, full of eyes in front and behind.
Revelation 5:5
Then one of the elders said to me, "Weep not; behold, the Lion of the tribe of Judah, the Root of David, has conquered, so that he can open the scroll and its seven seals."
Revelation 5:9
And they sang a new song, saying, "Worthy are you to take the scroll and to open its seals; for you were slain, and with your blood purchased men for God from every tribe and tongue and people and nation.
Revelation 6:1
Then I saw when the Lamb opened one of the seven seals. And I heard one of the four living creatures say, as with a voice of thunder, "Come!"