I would only play the Barbflare Gremlin in a sacrifice deck so that you can use the double mana
Y'shtola's second ability checks at the moment it would trigger to see if a player lost 4 or more life this turn
Frodo, Saurons Bane Frodo, Saurons Bane is a great commander with an alternate win con attached to it
Each Commander Deck set includes 4 ready-to-play deck of 100 Magic cards (2 Traditional Foil Legendary Creature cards, 98 nonfoil cards), a 2-card Collector Booster Sample Pack (contains 1 Traditional Foil or nonfoil special treatment card of rarity Rare or higher and 1 Traditional Foil special treatment Common or Uncommon card), 1 foil-etched Display Commander (a thick cardstock copy of the commander card with foil etched into the cards border and art), 10 double-sided tokens, 1 Helper card, 1 deck box (can hold 100 sleeved cards), 1 strategy insert, and 1 reference card
Dealing damage to a single creature might not be strong enough on its own, but adding a bonus horde of goblins makes this an interesting card to consider
Noctis can manifest and wield special weapons thanks to his royal blood, though he must consume some of his own life force to do so