Shamanic Revelation, Hunter's Insight, Disciple of Freyalise, and Garruk, Primal Hunter all fall into this category (although Garruk can potentially draw cards several times if your foe's let you)
You can sacrifice The Seventh Doctors Clues to Aces own ability, resulting in a nice buff and a free fight with a smaller utility creature you cant quite get at
Back in the early days of the game, Wizards of the Coast created a list of cards that they will never reprint to preserve their collectability and value
Genuinely hard to look at
Today, we put a stop to that nonsense
Sol Ring and Lightning Greaves are Commander staples, to be sure, but theyre also only worth about $5.50 in total