Sure! Here are a few rephrased versions of "Perfect entry it was":
It was a flawless entry.
The entry was spot-on.
That was an impeccable start.
A perfect beginning, indeed.
What an excellent entry it was.
Nailed the entry perfectly.
It couldn’t have been a better entry.
Let me know the tone or context (formal, poetic, casual, etc.) if you'd like a more tailored version.