With the subtle artistic link between Vengeful Warchief and Audacious Thief doubled up with the nod of flavour text and mechanical synergy, we also know this world has humans, elves, and dwarves
In order of chronological release, lets start with: Storm Herald Red has started to care more about Auras in recent years, as you can see from card designs like Brood Keeper and Champion of the Flame reward you
Counterspell Counterspell is one of the best tools for almost any blue deck, allowing you to say no for just 2 mana, no questions asked
Ian Malcolm, Chaotician sees Jeff Goldblums beloved scientist forcing players to exile the top card of their library whenever they draw a second card on their turn, before allowing the controlling player to cast spells from any exiled cards using any mana type
Meren of Clan Nel Toth comes from the golden age of Commanders, offering a powerful ability that demands building a unique and fun deck around
Turning lands into creatures to attack, block, act as a wall, etc., this is more permanent compared to the other elements