pokemon the first movie dragonite card edition 1st Edition Dragonite 1999 (just dug out old cards, is this Preserved in a tamper Pokemon The First Movie 4

Peak Value: $4,000$6,000 USD (est.) (PSA 9) Why It's Valuable: A land from Arabian Nights that serves as the primary engine for graveyard-based "Dredge" decks in Legacy and Vintage

Certainly if you are proliferating or something it's more useful, but a slot in a deck and that much mana you want more bang for your buck generally

In other words, these are cards that are super powerful, but only if you draft the right deck around them

Agro decks are particularly vulnerable to this and can often lose to one lame card like a Moat or something

They have more in depth discussion about each card and why it got its rating

A combo deck can, of course, contain one or more combos