What benefits hath Christ procured by his mediation?

Christ, by his mediation, hath procured redemption,[1] with all other benefits of the covenant of grace.[2]

1. Heb. 9:12

   … he entered once for all into the holy places, not by means of the blood of goats and calves but by means of his own blood, thus securing an eternal redemption.

2. II Cor. 1:20

   For all the promises of God find their Yes in him. That is why it is through him that we utter our Amen to God for his glory.

Question 57, Westminster Larger Catechism