Elvish Mariner is an elegant tapper, and Knowledge and Power is an odd, red Journey into Nyx card that is not from The Lord of the Rings elf realm, and a bit lackluster especially since it requires additional mana to invest
its the reward youre supposed to get for putting in the work to fill your graveyard with creatures
EX Team Rocket Returns (2004) A spiritual sequel to the original Rocket set, but more complex and brutal
If it shows up, he could be a serious component of the metagame as an enabler of all sorts of shenanigans
Honorable Mention goes to Dinosaurs on a Spaceship, because no card encapsulates the sad slide into ridiculousness that Commander is going through in the "Universes Beyond" era better than Dinosaurs on a Spaceship
You might want to hold up this Wall until a little later in the game, since your opponents will be eager to get rid of it as soon as they can