If it is a gift, it is safe to prioritize whether the publisher is clear, the description is polite, and the photos are sufficient, rather than the luxury of the content
I fully agree on not putting Sol Ring in this precon by the way - you have 133 pips to fix for in this deck and Sol Ring tapping for double colorless will not help in making you cast the large number of 5-color cards anytime soon, but if there was ever a time to reprint Birds of Paradise into a precon it should have been this one
My guess is, yes, in that particular narrow instance but also more broadly, depth is good
Hallowed Moonlight This ones a bit of a meta call, but if you find yourself running up against reanimator or blink decks often, Hallowed Moonlight can ruin those players day
Only Aether Channeler and Mumuration make Birds , but thankfully, Murmuration makes a lot of them
But 21 lands in a 61 card deck is 0.344, a ratio of lands that is impossible with a 60 card deck