Talrand, Sky Summoner has been the go-to in this design space for years, as its 2/2 drakes have built in evasion, but Deekah, Fractal Theorist can force damage through in a pinch by making big tokens unblockable as well
Canoptek Tomb Sentinel has an ability that will trigger when it comes into play from your graveyard, exiling a nonland permanent
This makes them some of the strongest mana-fixing lands for casual Commander, cube, and older-format testing
However, a little bit of that mystery has been removed in this case as the bonus cards waiting to be discovered in Sonic's Secret Lair have been revealed ahead of time
10/01/05 If you choose an Aura, you also choose a legal permanent for the Copy Enchantment copy of it to enchant
Their return in Outlaws of Thunder Junction heralded a new use for Deserts, not only because there were just more of them to work with, but also because that set included Desert Bloom, a Commander precon using Deserts as a backdrop to a landfall deck