Currently for Commanders, The First Sliver and Sliver Overlord give you card advantage, the latter and Sliver Queen are combo outlets, and Sliver Hivelord and Sliver Legion are there to increase staying power and damage
The normal Art Series version of Y'shtola, Night's Blessed (specifically the borderless version) is just over $1, while the stamped version is nearly $16
A common starting point is around 10 ramp sources and 8 to 12 draw or card advantage sources, then adjust for your commander and game plan
Its wild to see both of these commanders show up together in the same precon and create new possibilities for cEDH
You arent only incentivized to play more item cards because of the Glam ability, but if an item did get banished, you could get it right back
Though this is a reliable source of Treasure production, Goldspan Dragon most notably states that rather than producing one mana of any color, when sacrificed, its controller's treasures produce two mana of any one color instead