Mustering two 2/2 Knight tokens over its first two steps, the saga then provides an Overrun-esque stat buff for all your Knights, which can swiftly end the game with the right setup
With how sparse printings are for Mana Confluence, it is always going to have value, especially when it has the fancy Galaxy Foil treatment
MPC Auto Fill To streamline this whole process, a generous group of people have made a set of tools to automate these steps
Ive excluded [casthaven]Gemstone Caverns[/casthaven] (which essentially lets you turn being on the draw to being on the play), [casthaven]Urborg, Tomb of Yawgmoth[/casthaven], and [casthaven]Vesuva[/casthaven] since they dont produce multiple mana (but can when combined with lands on this list)
If that sounds good to you, go for it
3 Donquixote Doflamingo (Alternate Art) - $102.43 Doflamingo has been prolific in the One Piece Card Game