Regarding miracles, I am inclined to think that miracles described in the New Testament and early Pali suttas are legit examples. Most of us know well about Jesus walking on water, healing people, multiplying food, etc. However, many people are not aware that there are stories of similar miracles in the Buddhist suttas. The suttas also show that arahants did not all have equal psychic powers. Some were more capable than others. There was one that did not have any but possessed exceptional wisdom.
Here is a very cool sutta about a monk showing some psychic powers. Translation by Thanissaro.
When the night had passed, the senior monks put on their robes in the early morning and — taking their bowls & outer robes — went to Citta's residence. There they sat down on the appointed seats. Then Citta the householder, with his own hand, served & satisfied them with exquisite milk-rice mixed with ghee. When the senior monks had finished eating and had rinsed their bowls & hands, they got up from their seats and left. Citta the householder, having said, "Give away the rest," followed behind the senior monks.
Now on that occasion it was hot & sweltering. The senior monks went along with their bodies melting, as it were, from the meal they had finished. And on that occasion Ven. Mahaka was the most junior of all the monks in that Community. He said to the senior monk: "Wouldn't it be nice, venerable elder, if a cool wind were to blow, and there were a thundering cloud, and rain would fall in scattered drops?"
"Yes, friend Mahaka, that would be nice..."
Then Ven. Mahaka willed a psychic feat such that a cool wind blew, a thundering cloud developed, and the rain fell in scattered drops. The thought occurred to Citta the householder, "Such is the psychic power of the most junior of all the monks in this Community!"
Then when Ven. Mahaka reached the monastery/park, he said to the senior monk, "Is that enough, venerable sir?"
"That's enough, friend Mahaka — what you have done, what you have offered."
Then the monks went to their separate dwellings, and Ven. Mahaka went to his.
Then Citta the householder went to Ven. Mahaka and, on arrival, having bowed down to him, sat to one side. As he was sitting there he said to him, "It would be good, venerable sir, if Master Mahaka would show me a superior human attainment, a miracle of psychic power."
"In that case, householder, spread out your upper robe on the porch and put a pile of grass on it."
Responding, "As you say, venerable sir," Citta the householder spread out his upper robe on the porch and put a pile of grass on it.
Then Ven. Mahaka, having entered his dwelling and bolted the door, willed a psychic feat such that flame shot through the keyhole and the space around the door, burning up the grass but not the robe.
Then Citta the householder, having shaken out the robe, stood to one side — in awe, his hair standing on end. Ven. Mahaka came out of his dwelling and said, "Is that enough, householder?"
