It cant make abilities free, only reducing the cost to a minimum of one mana
Lets be fair to these manabases though
If your Leader loses a battle, youre one step closer to defeat, but you also get to add one of these face-down cards to your hand, essentially gaining a resource in the exchange
Post Malone purchased the 1/1 The One Ring for around $2 million
2 Indominus Rex, Alpha A Mutant With Many Abilities A new breed of Dinosaur from the Jurassic World film that rebooted the franchise back in 2015, this mutant species, an amalgamation of several different species came together in the form of the Indominus Rex, Alpha
Narset does have enough explosive potential to check the third box, but needs outside factors to make the impact that a four-mana creature needs to in formats like Pioneer and Modern