This is massive, as players could ignore you and go after each others throats instead
These cards trigger a lot of nostalgia for a lot of people and they are willing to pay for that thrill of collecting these cards again
The ability won't resolve since it won't have a legal target, and no player will be dealt damage, but this does allow you to sacrifice Cindervines without anything else to target if you want to
Meanwhile, Amber provides healing and support that lets your characters return to the board stronger, turning small edges into decisive wins
All you need is to make sure that youre putting counters on things, whether thats Creatures or Planeswalker, or even Poison counters on opponents, and you can make the most of this incredibly powerful ability
Extra turns mean extra combats, which means digging for more extra turn cards