Any rare Japanese card that is even remotely exclusive commonly has obscene asking prices for this reason
On top of powerful abilities, many cards also have keyword abilities that affect how they interact with other cards
Zedruu the Greathearted The main thing about Zedruu the Greathearted is that thanks to its Jeskai color identity, you can steal your opponents permanents then start giving them out to other opponents
since it's not a triggered ability, it doesn't get doubled
Whether we keep them together or cannibalize them for parts, these decks absolutely bring the goods
The two-mana tap will either surveil or scry one, either one being good for card selection, but most would prefer surveil since the card will go to your graveyard for reanimation, flashback or triggering graveyard things like Syr Konrad the Grim