What are the most powerful cards in Magic: The Gathering that feature the colors red, green, and black?

Some of the most powerful cards in Magic: The Gathering that feature the colors red, green, and black are cards like "Prossh, Skyraider of Kher," "Lord Windgrace," and "Korvold, Fae-Cursed King." These cards are known for their strong abilities and impact on the game.