On its own, it doesn't advance the board state or win the game outright
Enchantment - Aura Color tag templates(None) Mystic Remora Cumulative upkeep (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) Whenever an opponent casts a noncreature spell, you may draw a card unless that player pays
As this is a three-color deck that is likely to be very mana hungry, having a creature that can generate absurd amounts of any color of mana seems necessary
Command Beacon, while needing a reprint, isnt a great fit for the deck as Olivia is a lowish-cost commander
A mix of both effects often sees your opponents collectively down a bunch of resources
Card draw and Treasure tokens ramp up your strategy, and the direct damage finishes the game