Highly experimental
After surveying potential archetypes, I find that there's a great deal that involve infinite combos, typically in the form of two card combos. Let's go over some options:
Reito Lantern/Reito Sentinel/Hoverstone Pilgrim Loops - This combo involves drafting a deck comprised primarily of cycling cards. If we can stick a Reito Lantern or Reito Sentinel, we can keep returning the cycled cards to the bottom of the deck and drawing them again. The main finisher is Resounding Thunder for infinite damage.
Soul of Innistrad Loops - Infinite combo involving Soul of Innistrad and any creature card that you can discard for an effect (Kogla and Yidaro, Jund Sojourners, etc.). It's another variant of cycling loops, since you can cycle your entire deck with 2 cards.
Pyromancy/Knollspine Invocation + Eternal Dragon/Firewing Phoenix/Magma Phoenix - Infinite damage combo. You want Academy Rector and any transmute cards to fetch the combo pieces.
Gravewaker + Siege-Gang Commander/Bosh, Iron Golem - Two card combo that deals infinite damage. You want cards like Tooth and Nail, Survival of the Fittest and Shared Summons.
Glarecaster/Phyrexian Vindicator + Kazarov, Sengir Pureblood/Scourge of Kher Ridges/Vampiric Dragon - Another two card combo that deals infinite damage. You want cards like Tooth and Nail, Survival of the Fittest and Shared Summons.
Other Archetypes
Oops! All Creatures - A deck primarily composed of creatures to exploit cards like Ruric Thar, the Unbowed & Lavinia, Azorius Renegade.
Good stuff - Typical type 4 deck focused on high card quality.
RulesRules are based on my main list, The Type 4 Stack. The only difference in rules is that everyone has their own deck and exile zone.
Changelog Format
Forgot a combo piece...