Standard Planeswalker deck
Planeswalker decks are decks rely heavily on Planeswalker, the new card type that first appeared in Lorwyn.
There are various approach of Planeswalker deck; however, most of them share a few key planeswalkers Ajani Vengeant and Garruk Wildspeaker. Below are 2 decks that illustrate how Planeswalkers deck works
Erik Ryding and Wilhelm Dubber Pro Tour Berlin
Land (23)
Planeswalkers (18)
Creatures (3)
Sorceries (4)
Sideboard (15)
This version of Planeswalker combos by Rings of Brighthearth with any Plainswalker ability or get out many Planeswalkers in the same time to overwhelm the opponent. The deck simply let your opponent do whatever they want to do as long as Planeswalkers are gaining counters, the deck can win.
Here is another version of Planeswalker deck
AJ Sacher in Pro Tour Kyoto 09
This version acts like the once famous 5 color control deck, the game win condition is Cruel Ultimatum or Liliana Vess. The rest of the Planeswalkers can chip away the opponent's life point while all the instant and sorcery defend them well. The reason for this deck to put no creature is that this allows the deck to disable all creature removal automatically without letting the opponents to realize there is actually no creatures.