The Tarrasque There are plenty of decks where 9 mana isnt too high of a price, especially not for a creature like The Tarrasque
You can make a 4/4 Elemental creature token, you can pump your whole board by putting a +1/+1 counter on each creature you control, or you can scry 2 cards and then draw one
I tried to include a variety of cards that I think are good, fun cards, and ones that are just cute or funny jokes
With copies of [c]Thoughtseize[/c], [c]Inquisition of Kozilek[/c], [c]Wrench Mind[/c], and more, it reduces the opponents hand to zero cards so that they cant play any threats
Most valuable Magic: The Gathering Avatar cards Although the set hasn't dropped yet, the top MTG Avatar chase cards are already on TCGPlayer, which have quite tame values compared to the insane figures of Traveling Chocobos from MTG Final Fantasy
While there are multiple Magic: The Gathering ban lists for different formats, a handful of cards stand out for their notoriety