I chose Sliver Overlord, and after playing with it I am fairly certain that the card is a fantastic Commander
Nadu, Winged Wisdom Nadu, Winged Wisdom also enters broken territory, with ramp potential so unbounded that it almost immediately ruined formats and subsequently hit the banlist
Enchantress strategies in are very synergistic with courts, since you already want to play enchantments to draw cards, so powerful enchantments like the courts are already a good fit to the strategy
Ardyn, the Usurper Rarity: Rare TYPE: Legendary Creature SUBTYPE: Elder Human Noble CMC: 8 Mana cost: USD: $3.03 EUR: 3.51 TIX: 0.02 EDHREC RANK: 3901 (4/4) Demons you control have menace, lifelink, and haste
What Now
Since treasure tokens are artifacts, they can be wonderful support for cards like Akiri, Line-Slinger, Bronze Guardian, and Fathom Fleet Swordjack