Like the other enduring cards, Enduring Courage returns as an enchantment after being destroyed, which this card is hardly phased by compared to other Glimmers, only being a 3/3 creature otherwise
Of course, the Set Booster pack will also have a guaranteed rare or mythic rare card, which is no different than the same slot found in Draft Boosters
All good news has to have a bit of a downside and in this case it is the price, the Disney Lorcana TCG D23 Collection will sell for a whopping 100 in the UK, or the much cheaper $99.99 (roughly 77) in the US, so possibly one for the very serious collector.
The next most valuable base printing is Plaza of Heroes, followed by Silverback Elder
That bonus life gain will make a real difference when facing the burn player