Treasures are useful because they can accelerate your mana in a pinch, or you can use Magdas payoff effect to find expensive artifacts or Dragons to close the game with, opening up a cool token play pattern that is a breath of fresh air after years of Krenko and Purphoros, God of the Forge combo killing tables by generating a zillion goblins
These were Draft- and Limited-only sets with a strong focus on multiplayer gameplay
The commander is allowed to have a couple extra bells and whistles attached to it, but it's all about that easy card draw, baby
Legendary Creature - Human Knight Color tag templates(None) Anim Pakal, Thousandth Moon Whenever you attack with one or more non-Gnome creatures, put a +1/+1 counter on Anim Pakal, then create X 1/1 colorless Gnome artifact creature tokens that are tapped and attacking, where X is the number of +1/+1 counters on Anim Pakal
But it gets even better with its [V] ability, Ultimate End, which gives all your other creatures +2/+2 until end of turn and puts an indestructible counter on each of them