Peak Value: $1,500$2,500 (est.) (PSA 9) Why It's Valuable: A spectacular green sorcery from Legends that allows players to put any number of permanents from their hands onto the battlefield
That said, they have some drawbacks you should be aware of: Some weak cards : This is, in part, a side effect of the fact that precons are designed to starting points which players build on: there are some weak cards which are meant to be identified as underperformers and subsequently upgraded
(Though Ozai, the Phoenix King does this even better, allowing you to keep the excess mana.) Miirym, Sentinel Wyrm is solid, but only in green-blue-red dragon decks and nowhere else, so that's a tad limiting
The fact that split cards change whether its in your hand, graveyard, or on the stack is important because of how rules consider each spell
Triome Lands These lands are pushed very hard, and every midrange deck will want to play a number of them