Cards like Time Warp are hits off Velomachus that will allow you to continue attacking and chunking away at life totals
While the pure aggro decks can be sideboarded against and raced, the other decks that represent a solid clock plus counterspells are a nightmare for the deck
(If you have several Planeswalkers in play, you may activate one ability on each.) Most Planeswalker cards have three loyalty abilities, but some have as few as two or as many as four, so you may have some options on each turn
Also perfect for board games like Gloomhaven, Arkham Horror, Zombicide, Dominion, or tabletop battle games such as Warhammer 40,000 and Age of Sigmar
At eight mana Im a little hesitant to recommend it in every build, but its a very powerful effect that will be well worth it