Then I looked on as the Lamb opened one of the seven seals. I heard one of the four living creatures say in a voice like thunder, "Come!"
References for Revelation 6:1
So I looked, and there was a white horse. Its rider held a bow and was given a crown. And he went forth from victory to victory.
When the Lamb opened the second seal, I heard the second living creature say, "Come!"
Out came another horse, fiery red. Its rider was allowed to take peace from the earth so that people would kill each other. He was given a large sword.
When he opened the third seal, I heard the third living creature say, "Come!" So I looked, and there was a black horse. Its rider held a balance for weighing in his hand.
I heard what sounded like a voice from among the four living creatures. It said, "A quart of wheat for a denarion, and three quarts of barley for a denarion, but don't damage the olive oil and the wine."
References for Revelation 6:6