Theres still time of course, and never say never, but if any card is a manifestation of that philosophy change, its Vivi
(9/25/2020) Look at each permanent as it exists on the battlefield, taking into account continuous effects, to determine whether any triggered abilities will trigger multiple times
If it did care, itd be easy to make competitive MTG affordable by simply printing staples like fetch lands regularly into Standard, but thats not what happens
If Prosper, Tome-BoundProsper, Tome-Bound is leading your deck, you'd probably want more impulse-basedimpulse-based "card draw"
The last ability triggers whenever you cast any Merfolk spell, not just when you cast a Merfolk spell from the top of your library
Birds arent super-common as a type, but there are a lot of cards that generate 1/1 Bird tokens