First of all, the Idea is not to be full competitive, I know the mana curve is too high and there almost none protection. The idea is make a toolbox of combos, putting the biggest number of combos (preferably two card combo) in the deck. Draw one piece and tutor the other.
http://tappedout.net/mtg-decks/inalla-archmage-of-combo/
1x Inalla, Archmage Ritualist
Land (30)
1x Academy Ruins
1x Badlands
1x Bloodstained Mire
1x Cabal Coffers
1x Cascade Bluffs
1x Cavern of Souls
1x Cephalid Coliseum
1x Command Tower
1x Flooded Strand
1x Island
1x Mana Confluence
1x Misty Rainforest
1x Path of Ancestry
1x Phyrexian Tower
1x Polluted Delta
1x Reflecting Pool
1x Riptide Laboratory
1x Scalding Tarn
1x Seat of the Synod
1x Shivan Reef
1x Steam Vents
1x Sunken Ruins
1x Swamp
1x Tolaria West
1x Underground Sea
1x Urborg, Tomb of Yawgmoth
1x Verdant Catacombs
1x Volcanic Island
1x Watery Grave
1x Wooded Foothills
Sorcery (7)
1x Demonic Tutor
1x Diabolic Intent
1x Reanimate
1x Timetwister
1x Transmute Artifact
1x Victimize
1x Yawgmoth's Will
Planeswalker (1)
1x Dack Fayden
Creature (29)
1x AEther Adept
1x Aphetto Alchemist
1x Apprentice Necromancer
1x Archaeomancer
1x Azami, Lady of Scrolls
1x Bloodline Necromancer
1x Changeling Berserker
1x Deadeye Navigator
1x Disciple of Bolas
1x Dualcaster Mage
1x Fatestitcher
1x Laboratory Maniac
1x Mistbind Clique
1x Palinchron
1x Patron Wizard
1x Purphoros, God of the Forge
1x Sage of Fables
1x Sea Gate Oracle
1x Sedraxis Alchemist
1x Sigil Tracer
1x Snapcaster Mage
1x Thalakos Deceiver
1x Thalakos Seer
1x Trinket Mage
1x Trophy Mage
1x Venser, Shaper Savant
1x Viscera Seer
1x Walking Ballista
1x Wanderwine Prophets
1x Chaos Warp
1x Cyclonic Rift
1x Force of Will
1x Ghostly Flicker
1x Intuition
1x Stream of Unconsciousness
1x Vampiric Tutor
Enchantment (6)
1x Attrition
1x Faces of the Past
1x Grave Pact
1x Kindred Discovery
1x Mana Echoes
1x Sneak Attack
Artifact (19)
1x Ashnod's Altar
1x Chromatic Lantern
1x Chrome Mox
1x Cryptic Gateway
1x Darksteel Ingot
1x Dimir Signet
1x Gilded Lotus
1x Illusionist's Bracers
1x Izzet Signet
1x Mana Crypt
1x Mana Vault
1x Mox Diamond
1x Nim Deathmantle
1x Panharmonicon
1x Paradox Engine
1x Phyrexian Altar
1x Sensei's Divining Top
1x Sol Ring
1x Staff of Domination
Maybeboard (19)
1x By Force
1x Dictate of Erebos
1x Equilibrium
1x Flameshadow Conjuring
1x Flusterstorm
1x Havengul Lich
1x Inventors' Fair
1x Jace's Archivist
1x Meekstone
1x Minamo, School at Water's Edge
1x Mind Over Matter
1x Splinter Twin
1x Teferi, Mage of Zhalfir
1x Temple of the False God
1x Turnabout
1x Wake the Dead
1x Wasteland
1x Mystic Remora
1x Phyrexian Metamorph
1x Diamond Valley
1x Brainstorm
Wanderwine Prophets is a one card combo with inalla for infinite turns
Bloodline Necromancer With Altars = infinite haste bloodline, infinite graveyard recovery, with Ashnod's infinite colorless mana too
Laboratory Maniac + draw/exile deck = win
Deadeye Navigator + Palinchron = infinite mana, ETB
Palinchron + Sneak Attack = infinite mana
Palinchron + Nim Deathmantle + sac (Altar or Phyrexian Tower) = infinite mana
Palinchron + Cabal Coffers + Urborg, Tomb of Yawgmoth = infinite mana
Nim Deathmantle + Wanderwine Prophets = intimidate to attack
Nim Deathmantle + Ashnod's Altar + Wizard = almost infinite ETB (need one colorless mana)
Dualcaster Mage + Ghostly Flicker = infinite ETB triggers/mana and infinite casts of another instant
Aphetto Alchemist/Fatestitcher(with haste and copy)+ Illusionist's Bracers: Infinite tap/Untap
Infinite Draw with Azami or Sensei's Divining Top
Infinite Mana with mana artifacts, or lands with fatestitcher
Infinite damage with Inalla
infinite counter with Patron Wizard
Changeling Berserker + sac + one L/ETB wizard = infinite ETB/ with Altar infinite mana/wizards
Mistbind Clique + Mana Echoes or Altars = Tap all lands of all opponents
Well, I probably need more patience to number all.
Any other cool combo to add? Other suggestions? i don't know if the mana base is solid
draw/scry
graveyard Recovery
Untap
Sack
Mana Ramp
Copy
Bounce/Blink/ETB
Tutor
Protection/control
Steal
Cheat Creature
Cryptic Gateway
Sneak Attack
"Finisher"