The Legendary Artifacts draw upon the franchise's origins by providing cards for The Earth Crystal , The Fire Crystal , The Water Crystal , and The Wind Crystal with both standard and full art versions
Modern is far too fast for it now
Three others are worth talking about because they're interesting
Select from amongst 6 cards (or more depending on its power) to get a creature or land of your choice whenever the creature deals combat damage
This then allows blue to use counterspells to stop it, but if blue doesn't have that answer, this category tends to only delay threats rather than get rid of them
While you can remove Drannith Magistrate, that requires you to actually draw a removal spell (in a 99-card deck), and its controller can't have a way to counter that removal