By refusing to pay when your upkeep roles around you can put Karmic Guide into your graveyard for free, ready to reanimate again that turn
If there's a specific card you're after, you're probably better off buying it as a single than cracking packs in blind hope, though you'll have to pay the market price for the card you're looking to buy
The Phyrexian Praetors, Magic's latest villains, were appearing one by one in sets around this time, on the lead-up to the March of the Machine showdown
This flying angel provides you with a good creature and the chance to draw cards if two of more permanents enter on the same turn
That permanent gains Haste, When this permanent leaves the battlefield, it deals damage equal to its mana value to each creature, and At the beginning of your end step, sacrifice this permanent. Terminal Velocity is a bit of a mish-mash of different effects