most expensive mtg modern cards 25 in Right Now (4 are from Final Fantasy) : r/freemagic The Most Expensive Magic Cards

Finally, more protection from Silkguard that, again, buffs our power

EachDuskmourn: House of HorrorCollector Booster Box contains 12Duskmourn: House of HorrorCollector Booster Packs

Vraska the Unseen 2.2 Power 2.5 Support 2.0 Vraska is an odd planeswalker, she fits more into the same ballpark as Chandra Nalaar and Karn Liberated as she rarely pro-actively wins games

However, I dont know what format wants to pay four mana for this effect

Watermark: Set Symbol Illustrated by Thomas M

What sets Darkstar Augur apart is the fact that it flies, and for four mana total, creates two of that same card draw effect thanks to offspring, pressuring players to find two removal spells or a sweeper rather than the usual one-for-one trade a Dark Confidant might elicit