Prince, Never Gives Up is a useful card for protecting your weaker characters, as well as Tiana
Zoraline and Three Steps Ahead are key new cards worth considering, offering unique abilities for different deck archetypes
Once you internalize that, the card evaluations below become obvious: ask of every card, is this a source or a payoff, and does the rest of my deck cover the other side? Best lifegain sources (the engines) You want repeatable, incremental gain lots of small triggers beat one big lifegain spell, because payoffs like Vito or Archangel of Thune care about the number of times you gain, not just the total
Disney Lorcana Worth It
If your card is in a toploader, this is the binder for it
Blight Titan is perfect from a flavor perspective, helping fill the graveyard for more growth