With the right Forest, you can even generate more mana than average, making the card even more powerful than it already is
Each is equally likely, and you will always receive styles you don't own yet until you collect them all: Sheoldred, the Apocalypse Vohar, Vodalian Desecrator Rona, Sheoldreds Faithful Elas il -Kor, Sadistic Pilgrim Raff, Weatherlight Stalwart Balmor, Battlemage Captain Squee, Dubious Monarch Shanna, Purifying Blade Zur, Eternal Schemer Ertai Resurrected Jodah, the Unifier Radha, Coalition Warlord Stenn, Paranoid Partisan Aron, Benalias Ruin Baird, Argivian Recruiter
They arent necessary but some players prefer them
The first time around, gold itself was the central theme
Its heavily played in 3- to 4-color decks, while it allows for easier splashes for activated abilities and off-color flashback or kicker costs