He makes the price of your spells cheaper the more friends he has, which is great by itself
Still, for decks that care about fast, reliable mana across multiple colors, it's proving to be well worth the cost
At the beginning of each end step, if you gained 3 or more life this turn, create a 3/3 white Bird creature token with flying and "Whenever this token attacks, target attacking creature gains flying until end of turn." Legendary Creature - Bird Noble King of the Oathbreakers Flying Whenever King of the Oathbreakers or another Spirit you control becomes the target of a spell, it phases out
Having played all three decks in both two-person and three-person play, we enjoyed the Sapphire and Steel deck the most, as its basically unstoppable (at least compared to the other Starter Decks) when ramped up properly
Charge counters remain on the permanent for as long as it remains in play, and so you can spread stationing out over multiple turns if you need to