The first one that comes to mind is, of course, Cori-Steel Cutter
Magic: The Gathering is practically its own currency at this point, with no shortage of rare and expensive MTG cards out there to buy, sell and trade
Two six-sided dice usually give you 4-6 mana worth of cards, and that includes all the lands and 0-mana spells as well
Both cards are relatively straightforward, you spend four mana and destroy all creatures, and those creatures cant be regenerated
Some luck fans received the first seven cards at the D23 Expo this past weekend
If you counter a problematic permanent before it enters the battlefield, it ends up in the graveyard same as if it had entered the battlefield and you removed it