So, what is causing the McDonalds Pokemon card 2021 value to rise so high
They win you the game when you meet their requirements, and it just so happens that those requirements are tons of Treasures
Admiral Brass, Unsinkable Anathemancer Angel of Indemnity Apprentice Necromancer Ashnod's Harvester Ayara, Furnace Queen Balduvian Atrocity Bond of Revival Canoptek Tomb Sentinel Cauldron Dance Claim // Fame Dawn of the Dead Dr
On top of that, it gives other non-Human Creatures you control +1/+1 and undying, which makes any ETB effects you have significantly more valuable, and makes all of your threats a lot more, well, threatening
Deal N damage to a creature that's been damaged this turn
If you don't, that player sacrifices all but that many permanents of their choice