It seems evident to me that it is not original.
The baptismal formula of Matthew 28:19 is in direct contradiction with all of these passages:
[Act 2:38 NASB] (38) Peter said to them, "Repent, and each of you be baptized in the name of Jesus Christ for the forgiveness of your sins; and you will receive the gift of the Holy Spirit.
[Act 8:12 NASB] (12)...
Since scripture does not provide this information, any answer one could provide, no matter how logical or acceptable it may seem, will never be anything more than personal speculation. That being said, here are some possibilities why Daniel may not appear in this narrative.
Here are some unlikely suggestions that I have come across from other sources over ...
It is defended regularly by Early church fathers such as:
Ignatius to the Trallians (c. AD 70-115)
“For Says the Scripture, ‘May bodies of the saints that slept arose,’ their graves being opened. He descended, indeed, into Hades alone, but He arose accompanied by a multitude” (chap. Ix, The Ante-Nicene Fathers, vol. I, p. 70).
Ignatius to the Magnesians (...