It can get rid of a card in your opponent's hand that can hurt you later
Let us try to explain what Chains of Mephistopheles does: Anytime a player draws a card, except for the card they draw for turn, they must discard a card first
The second deck I built around was an Orzhov enchantments and artifacts matter build around uncommon newcomer, Naomi, Pillar of Order
This four-cost uncommon for Peasant uncommon slots, draws three like Concentrate in Blue or Ambition's Cost or Ancient Craving
While others were amassing their forces, getting combos going, and throwing horrifically powerful beasts at each other, I dutifully worked away at the quest list so no one saw my most powerful move coming an onslaught of Blitzballs from a Walking Ballista
(It's an artifact with " , , Discard a card, Sacrifice this token: Draw a card.") Blood tokens you control are Equipment in addition to their other types and have "Equipped creature gets +2/+0" and equip