By Value or Rarity If part of your interest in MTG is its financial side, sorting by value or rarity might be best
Understanding key card interactions is vital for finding artifacts that enhance your deck and promote card advantage
Currently, TCGPlayer shows Powerline's Enchanted card at a price of $200.00
On eBay, you can list a "1,000 MTG Card Lot" or themed lots like "100 Red MTG Cards" or "50 Rare MTG Cards Lot" and price them well above the per-thousand bulk rate
Honestly if you need consistent early-turn mana acceleration in a color other than green, I'd just play Sphere of the Suns
The Emperor, Hell Tyrant (Yawgmoth, Thran Physician) Yawgmoth, Thran Physician is a Modern staple (there's a whole deck named after him), so the Emperor art would be a nice addition to die-hard fans of the deck