At this point in the six-year history of Blizzard Entertainment's collectible card game, Hearthstone, it's almost routine that long-time professional player and content creator David "Dog" Caero will, at one point or another, break the speed at which he plays. Back in 2018, Dog was known for mastering a one-turn-kill combo that required as much APM (action per minute) as it did brainpower to pull off. For a casual player tuning in to watch his stream on Twitch, it was mesmerizing and inconceivable to see so many moving pieces on a 2D board in a game that, by definition, aims to limit the number of actions a player can make in a single turn by having a mana cap.
