Where is the substitutionary atonement in the OT?
10 Yet it pleased the Lord to bruise Him; He hath put Him to grief. When thou shalt make His soul an offering for sin, He shall see His seed, He shall prolong His days, and the pleasure of the Lord shall prosper in His hand.11 He shall see of the travail of His soul, and shall be satisfied. By His knowledge shall My righteous Servant justify many, for He shall bear their iniquities.12 Therefore will I divide Him a portion with the great, and He shall divide the spoil with the strong, because He hath poured out His soul unto death. And He was numbered with the transgressors; and He bore the sin of many, and made intercession for the transgressors." Isaiah 53:10-12
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5 And he shall take from the congregation of the children of Israel two kids of the goats for a sin offering and one ram for a burnt offering.
6 And Aaron shall offer his bullock of the sin offering which is for himself, and make an atonement for himself and for his house.
7 And he shall take the two goats and present them before the Lord at the door of the tabernacle of the congregation.
8 And Aaron shall cast lots upon the two goats — one lot for the Lord and the other lot for the scapegoat.
9 And Aaron shall bring the goat upon which the Lord’S lot fell, and offer him for a sin offering.
10 But the goat on which the lot fell to be the scapegoat shall be presented alive before the Lord, to make an atonement with him and to let him go as a scapegoat into the wilderness.
11 “And Aaron shall bring the bullock of the sin offering which is for himself, and shall make an atonement for himself and for his house, and shall kill the bullock of the sin offering which is for himself.
12 And he shall take a censer full of burning coals of fire from off the altar before the Lord, and his hands full of sweet incense beaten small, and bring it inside the veil.
13 And he shall put the incense upon the fire before the Lord, that the cloud of the incense may cover the mercy seat that is upon the testimony, that he die not.
14 And he shall take of the blood of the bullock and sprinkle it with his finger upon the mercy seat eastward; and before the mercy seat shall he sprinkle of the blood with his finger seven times.
15 Then shall he kill the goat of the sin offering that is for the people, and bring his blood within the veil, and do with that blood as he did with the blood of the bullock, and sprinkle it upon the mercy seat and before the mercy seat.
16 And he shall make an atonement for the Holy Place, because of the uncleanness of the children of Israel and because of their transgressions in all their sins; and so shall he do for the tabernacle of the congregation that remaineth among them in the midst of their uncleanness." Leviticus 16