For example, you might organize by set first, then sort each set by rarity, or group cards by Pokemon type and separate high-value pulls into a special section
Spells and abilities that interact with activated abilities (such as Stifle) will interact with unearth, but spells and abilities that interact with spells (such as Cancel) will not
Plus, its design looks great, especially in the extremely rare ultimate you can get in The Lost Millennium
However, it does give you energy all on its own and because it also returns to your hand when you activate it, its going to keep giving you energy
Credit: Wizards of the Coast Null Elemental Blast TheChirurgeon: This is a really sweet little one-mana answer
I literally just sang the praises of Victimize for allowing such a power play