You don't want to play an aggro deck?
Other combo decks leak interaction for your taste?
No time to play control?
Then this deck or a variation of it could be, what you are searching for.
Combo
As every combo-deck we need a combo to win the game sooner or later. In this deck we are trying to get a 0-mana creature on the battlefield, which then dies as it has 0 toughness so we can recur it with
Enduring Renewal
while we use a static ability to deal damage on etb, ltb or when it dies.
This build uses instead of actual 0-mana creatures, creatures with x and a base-toughness of 0. This allows us to cast Hangarback Walker and Endless One also to attack or block with them, if we need to. To win with the loop i decided to use the enchantments Impact Tremors and
Molten Nursery
. Outpost Siege is also an option but was, as i tried it, usually to slow, though in control or discard-matchups could it be useful.
Utility
This deck runs 12 enchantments and we want all the consistency we can get, therefore i added Idyllic Tutor. Most of the time it is only used as the 5th to 8th copy of
Enduring Renewal
, but it can also be used for the other combo-pieces or some sideboard cards.
Birds of Paradise will accelerate everything, fix the mana and throw something out to block infect or catch a bolt from burn. Technically it isn't needed and the only card we splash green for, at least in the main board, but it can be very useful and it allows a turn tree win with counter-backup.
Of cause we also want to stop our opponent from doing something, therefore we are playing the best disruption in red and white: Path to Exile, Lightning Bolt and Mana Tithe.
Mana Tithe could be a bit weird, but it's always good to have counter and at least the first time none expects a one mana counter in white.
Last but not least
Postmortem Lunge
allows us to restart the combo for free, in case our creature was countered, or to filter our mana, in case we have Birds of Paradise in our graveyard. This slot is a bit more experimental...
Sideboard
The enchantments are tutor-targets for Idyllic Tutor, nothing special. As a note: never play Rest in Peace it will also shut down your combo. Leyline of the Void is an option, but probably better if you also play black, or Grafdigger's Cage.
Pact of Negation and Spellskite to protect the combo.
Nature's Claim to remove graveyard hate. If you play a green splash, i would definitely use them, otherwise you should think about a solution for the graveyard hate you could face. They can also work to get a bit of life against burn or other very fast matchups, in case you somehow don't have a turn 3 or 4 win.
Meta
Depending on your local meta you can adjust parts of the sideboard and mainboard.
From adding Leyline of Sanctity and Outpost Siege vs. very disruptive opponents to Guttural Response and more Pact of Negation against classic blue control decks, everything is possible. Maybe, if you face a lot of (blue) control decks, you could switch out the green splash for a blue splash to play card-draw-spells (Serum Visions and Ancestral Vision), counters (Remand and Spell Pierce) and other utility cards.
Black
I can also see a more creature heavy deck which replaces
Molten Nursery
, Impact Tremors and Outpost Siege for Blood Artist and Zulaport Cutthroat but then additional changes would be necessary. The combo-pieces can be easier removed, and Idyllic Tutor is worse.
The god sequence
Without any disruption from your opponent until you go off, this would be the perfect sequence:
Turn 1:
Land + Birds of Paradise
Turn 2:
Land + Birds of Paradise + Impact Tremors
Turn 3:
Land +
Enduring Renewal
+ 1 mana for Mana Tithe
