Fable of the Mirror-Breaker While this spot would once have been reserved for the card that this one was based on (the legendary Gobbo Kiki-Jiki, Mirror Breaker), it simply doesnt hold a candle to this Saga from Kamigawa: Neon Dynasty
Above all against decks with valuable X/1s, like Faerie Mastermind when you're facing Dimir Aggro (another staple in the current Standard meta)
Now, Blue-White Yorion will have Hengegate Pathway to fix its mana, as well as an excellent foretold package that includes Saw it Coming and Doomskar
Decadent Dragons Instant half gives you a shot at stealing your opponents best cards before they even draw them, and its creature side is a perfectly respectable flier with good stats and regular Treasure generation
The one 1st Edition holographic card that does not command a premium is the Machamp (#8)
If you successfully tabled a Dralnu protected by a Teferi, the game was pretty much always over at that point