This can feel really restrictive because artifact decks often want to use colorless mana to pay for activated abilities as well
Three life is a significant cost and it adds further interest to playing and building with the card
Narset's Reversal is more thief than cop, letting you put your foe's spell to better use
VANGUARD OF THE RESTLESS Specifically here to support spirits, this is quite easily recurrable and buffs your spirits bit to a bunch, depending on how many times your commander goes to to the command zone
Guoglim, Spear of the Ghoti X WATER Level 8 [ Fish / SynchroEffect ] ATK 2700 DEF 0 1 Fish Tuner + 1+ non-Tuner monsters At the start of the Damage Step, if this card battles an opponent's monster: You can banish that opponent's monster
White Auracite is a different sort of removal because if it is somehow removed, the card exiled by the Auracite re-enters your opponent's side of the battlefield