Wilfred Mott The more time counters you have on Wilfred Mott, the more cards you can look at during each upkeep to find which nonland permanent that you want to place on the battlefield for free
Games go long enough and spells are explosive enough that the 3/3 isnt nearly as much downside as it would be in a 1v1, 20-life format
Reveillark's death trigger will activate again, you can repeat the whole loop as many times as you want: use Reveillark to bring Karmic Guide back, use Karmic Guide to bring Reveillark back, sacrifice them both to Phyrexian Altar
This is called The World Rule. World is an obsolete supertype that works a lot like Pokmon's stadium trainer cards and hasnt been printed on new Magic cards since 1996's Visions
Even so, surveilling cards to your Graveyard will not just improve your draws and hands but also enables GY strategies and synergies such as Delve threats, Arclight Phoenix and others
Yesterday I covered FFXIII