There arent differences between packs that come from booster boxes, sleeved packs, Ilumineers Troves, gift sets, or other boxes
In my experience, with this many cantrips, you can get away with running as few as 18 lands without encountering mana-related issues
Drawing cards when counters get put on it makes Pensive Professor an incredible support piece for +1/+1 counter decksthe archetype has been abusing Fathom Mage for years
Instant Color tag templates(None) Second Sunrise Each player returns to the battlefield all artifact, creature, enchantment, and land cards in their graveyard that were put there from the battlefield this turn
This ability alone will likely make Ozai playable in some lists, particularly those that lean heavily on infinite mana combos