At the beginning of your end step, if you sacrificed one or more permanents this turn, Sawblade Skinripper deals that much damage to any target
Assemble the Legion: An enchantment that accumulates muster counters, creating an increasing number of 1/1 red and white Soldier creature tokens with haste each turn
As for financial value, theres none to speak of
The Dogmeat, Ever Loyal display commander card is printed with the foil-etched treatment on thick cardstock (great for showing off your commander but not legal in sanctioned play)
If you have access to a bevy of cards like these, which have the ability to produce multiple colors of mana, you can begin to feel comfortable playing a three-color deck if you choose to
Going first normally means you don't get to attack right away since you don't generate any Energy from the Energy Zone on the first turn, but this can be bypassed entirely with Misty if luck is on your side