I prefer Austere Command over either of the two choices as it serves as both Purify and a nice conditional Wrath, or sometime a mix of both
You don't get to immediately change the board state, and it's most likely turn four, a point where both you and your opponent have already invested in whatever your cards in hand could have done
The card gets sealed into a hard plastic case (called a slab) with a label showing the card name, set, grade, and a unique certification number you can verify on PSAs website
When Syr Elenora enters the battlefield, draw a card
The only closest card is a similar one print wonder, Shichifukujin Dragon, whose card is slightly less rare because its printing plates were never confirmed to be destroyed, unlike the 1996 World Champion's plates