The effect of Darkest Impulse doesn't stack
Speed Duel , a faster and simplified alternate format, was launched worldwide in January 2019
Their effects and meta impact were basically the exact opposite: Rafaam has bad stats for his cost and lets you Discover an underwhelming 10-mana artifact, seeing next to no play, while Reno has a game-warping Battlecry that heals your hero to full health so long as your deck has no duplicate cards, redefining how Control decks were built for the entire time he was in Standard
Changing pace a bit, you have Elsha, Threefold Master to go more in the token approach
After passing the preliminary race, the player is confronted by Bass who then shows them how to play a Turbo Duel
It helps you focus on acquiring cards that add real value to your set, rather than buying on a whim