Edgewalker Combos
Gravecrawler + Edgewalker + Maskwood Nexus
Shields of Velis Vel + Haakon, Stromgald Scourge + Edgewalker
Shields of Velis Vel + Liliana, Untouched by Death + Edgewalker
Yawgmoth, Thran Physician + Enduring Renewal + Edgewalker
Combo result
Infinite ETB. Infinite LTB. Infinite death triggers. Infinite sacrifice triggers. Infinite lifegain. Infinite lifegain triggers. Infinite storm count. Near-infinite card draw. Near-infinite draw triggers. All noncreature cards in your deck in your hand. Mill all creature cards in your library.
Prerequisites
All permanents on the battlefield. Your life total is at least 2.