Do you like to ramp up as much damage as possible and take OHKOs whenever possible with heavy hitters
The most obvious of these factors is the synergy of haste with Saproling Burst, which was known to some as "The Fix." That extra turn almost doubled the strength of the Burst and made it hit for the full 20 damage in only two turns, which would normally mean a kill on turn five, or turn four if backed up by a Blastoderm
Some stores run unsanctioned Vintage events that allow proxies, while many people have some number of proxies in their cube or in their Commander decks
Below is a rough guide to the Test versions: Version 0 The earliest versions feature more simple designs missing many elements found in later versions and up to the final print run of No Rarity
(9/15/2013) When you scry, you may put all the cards you look at back on top of your library, you may put all of those cards on the bottom of your library, or you may put some of those cards on top and the rest of them on the bottom