Protean Hulk Combos
Protean Hulk + Aluren + Academy Rector
Viscera Seer + Protean Hulk + Disciple of the Vault
Viscera Seer + Body Snatcher + Protean Hulk
Varolz, the Scar-Striped + Protean Hulk + Disciple of the Vault
Protean Hulk + Volrath's Shapeshifter + Viscera Seer
Protean Hulk + Volrath's Shapeshifter + Grand Abolisher
Protean Hulk + Volrath's Shapeshifter + Carrion Feeder
Protean Hulk + Phyrexian Delver + Viscera Seer
Protean Hulk + Loaming Shaman + Leyline of Singularity
Protean Hulk + Karmic Guide + Viscera Seer
Protean Hulk + Heliod, Sun-Crowned + Veteran Armorer
Protean Hulk + Carrion Feeder + Pitiless Plunderer
Protean Hulk + Carrion Feeder + Phyrexian Delver
Protean Hulk + Body Snatcher + Viscera Seer
Flash + Protean Hulk + Body Snatcher
Leyline of Singularity + Protean Hulk + Phantasmal Image
Combo result
Infinite ETB. Infinite death triggers. Infinite Protean Hulk triggers. Shuffle your graveyard into your library infinitely.
Prerequisites
Hulk and Leyline on the battlefield with Phantasmal Image in hand and all other cards in your deck. Alternatively, having any of the craetures with cloning effects except Doppelganger in hand instead of Phantasmal Image will also work as long as you permutate the steps. Image is only used here to demonstrate the cheapest line of play at .