In the past, the main concern was random, expensive, old Reserved List cards, which are comparatively easy to counterfeit
Many attacks have additional text that will apply when the damage occurs, so be sure to follow any instructions attached to the attack chosen
Shadowless commons and uncommons are modest raw, often a few dollars to low double digits, but still carry a premium over the Unlimited equivalent
Jump-start makes this both a two-for-one and a reasonable include for self-mill decks
In games 2 and 3, you might want to consider spreading your mana auras across multiple lands for protection
Staying Power Though it might not look like much, Staying power is one of the most powerful cards in the history of the game