The thing is, a whopping eight mana for indestructible isnt what it used to be, and we all know how receptive people arent to mass land destruction and Worldslayer wins

Astrologian's Planisphere Rarity: Rare TYPE: Artifact SUBTYPE: Equipment CMC: 2 Mana cost: USD: $4.34 EUR: 3.90 TIX: 0.00 EDHREC RANK: 5649 Job select (When this Equipment enters, create a 1/1 colorless Hero creature token, then attach this to it.) Equipped creature is a Wizard in addition to its other types and has "Whenever you cast a noncreature spell and whenever you draw your third card each turn, put a +1/+1 counter on this creature." Diana Equip Astrologian's Planisphere Rarity: Rare TYPE: Artifact SUBTYPE: Equipment CMC: 2 Mana cost: USD: $0.29 EUR: 0.29 TIX: 0.09 EDHREC RANK: 5649 Job select (When this Equipment enters, create a 1/1 colorless Hero creature token, then attach this to it.) Equipped creature is a Wizard in addition to its other types and has "Whenever you cast a noncreature spell and whenever you draw your third card each turn, put a +1/+1 counter on this creature." Diana Equip Auron's Inspiration Rarity: Uncommon TYPE: Instant SUBTYPE: - CMC: 3 Mana cost: USD: $0.17 EUR: 0.08 TIX: 0.03 EDHREC RANK: 18422 Attacking creatures get +2/+0 until end of turn

Chart shows the price of Elesa's Sparkle #260 at the end of each month going back as long as we have tracked the item.
There's also Regenerating Mummy, which makes Delinquent Duo, Card Destruction, and Don Zaloog less threatening
The high value of this card is driven by its rarity in top condition