Explore puts +1/+1 counters on your creatures, so thats very good with proliferate and cards like Branching Evolution
White has this small theme of enchantment and equipment/artifacts matter with commanders like Alela, Artful Provocateur, so Forge Anew can fit there as well
If your cards have any damage whitening, creases, scratches, dents or edge wear your final offer will be lower than quoted
If the greatest mana value among Elementals you control changes while activating mana abilities (probably because you sacrificed one or more Elementals), the cost to cast Sunderflock remains what you previously determined
beyond being holographic, itll look pretty much the same as a Common or Uncommon card though the cards Pokemon or Trainer card abilities are likely to be pretty useful in-game
Chancellor of the Spires You shouldnt care about the opening-hand text on Chancellor of the Spires