If you want to start building the skill yourself, a good way to start is to make a list of the top 3 Commons and top Uncommon for each color and then compare with your friends
The monarchy emblem made its debut in the 2016 Conspiracy: Take the Crown multiplayer set, rewarding players for casting "you become the monarch" spells, or dealing combat damage to the current monarch to seize their crown
Weve had so many reprints of Cultivate, Kodamas Reach, Natures Lore, Harrow, and so on that you could probably build a deck for $50 and outpace $400+ decks
Phabine, Boss's Confidant gives your team haste while also providing a random mix of token generation and +1/+1 buff for combat
The partner keyword also gives them a buddy, and Ardenn is often paired with Rograkh, Son of Rohgahh for some quick kills
Each turn you put a counter on Palantr to increase the amount of X, so the risk for your opponents gets bigger every turn