1 deck. Easy. No redeal.
Phalanx Solitaire uses one deck (52 cards). You have 4 foundation piles and 15 reserve piles (in the form of a pyramid). Each reserve pile may contain only one card. All cards are available to play. Spaces are filled from Waste or Stock piles. The
Aces are moved to the foundations during play.
There is no redeal.