Boardwipes: Doomskar, Extinction Event, Storms Wrath, etc
We also have plenty of "size matters" payoffs like drawing silly amounts of cards off Return of the Wildspeaker, ramping out all the lands with Traverse the Outlands, devouring entire armies with Monstrous Onslaught, and flooding the board with creatures with Scepter of Celebration
Smokestack is a direction you can go, Opposition is another
Helbrute Exiling creatures from your graveyard can be a real cost for Rakdos decks, but Helbrute has impressive stats coupled with haste
You can recur any permanent from your graveyard to the battlefield
Merlin, Goat The Amethyst and Steel starter deck is an excellent gateway to competitive Lorcana games - it would be at the top of this list if it wasn't about to rotate out of Core constructed