The effect of this version of Mana Confluence is exactly the same as the original, allowing you to trade a point of life for mana of any color
If youre building a long-term collection of the One Piece Card Game, OP-03 is a set youll want represented
The tapped entry is a serious downside here because mono-white decks usually play a low curve, and its a major hindrance if you fail to play a mana rock or a turn-1 creature beacuse this is your only white source
For now, come to grips with the reality of Standard including chocobos and moogles tapping across from your friendly neighborhood Spider-Man , with a snack of Everything Pizza while also combating your Prismari/Izzet dragon, elves, faeries, and hybrid animals from Avatar: The Last Airbender
The flexibility to fix draws early, buffer your life total for the backswing, or blink another creature you own is really something
Its eaten a ban or two over the years, and itd take quite a bit to get those reversed