PSA 10 (Shadowless): 3,0006,000 Ungraded (Good condition): 1030 10
Thats just about one year ago
If this was for first-week Standard, then there would be a very good argument to put Felidar Guardian up at the top of the list, but there is a very real chance that the card wont be legal throughout its time in Standard
Luffy from Emperors in the New World [OP-09] and Charlotte Linlin from Two Legends [OP-08] can be brought in for their highly powerful effects, as can the Gum-Gum Giant card from Emperors in the New World [OP-09] which serves as a draw engine and also raises the Power level of either the decks Leader card from Awakening of the New Era [OP-05] or any of its Character cards by 4000
Many Decks heavily rely on effects that activate in the Graveyard, which is what gave "Soul Drain" so much power
Whether it is a Pokemon, Energy, or even Ace Spec, you can grab specific Items using it, which can then instantly draw what you want