DREAD RETURN In theory, this is a fair card which offers two reasonably-costed bites at the reanimation apple
1 Atarka, World Render
Or you can alternate cost it for four to ramp a foe, then one to your hand - better than other four-mana options, you might make a friends or help someone dealing with the mana screw
There's a surprisingly high number of dragons that roll D20, and with Vexing Puzzlebox you can actually use that offensively
Planetarium of Wan Shi Tong If I had to guess Wizards of the Coast's favorite ATLA episode, I'd say Season 2: Episode 10, The Library, because its librarian, Wan Shi Tong, has several of the most powerful cards in this set
For two mana, you can tap the Archaeologist to bring an artifact back from the graveyard to your hand