I will be transparent and say that I believe if any of these are ever to return, the most likely one is Jeweled Lotus due to its one-shot nature, iconic feel, and ability to help support high-mana value commanders
Magic: The Gathering is a game with a lot of numbers involved
These cards may not always be needed to gain card advantage, but that is their aim and thats what well be looking at today
A fairly old (or fairly new, depending on which side of the millennium you were born) creature from the MTG set Journey into Nyx, Sage of Hours is part of my most hated group of Magic cards: an extra turn spell
This land comes in untapped, so it's technically less expensive and can give you important access to a new color of mana on the same turn
Throw in some graveyard artifact retrieval like a Goblin Welder, Argivian Archeologist or Open the Vaults, and you can get them all back