Since I was asked, I'm sharing my #ElfDeck's
Starting with the mono 
one and moving upwards.
Next #ElfDeck I'm sharing is my 
one.
It beats all my other decks except for some other elf decks. 😉
Next up is my 3rd best deck and 3rd best #ElfDeck.
It's the Elf token deck.
It's great at creating elf token creatures fast and distributing +1/+1 counters on those and the other elf creatures.
Place 2 goes to,... well my second best #ElfDeck of course.
There is not much to say about it, I guess the cards speak for themselves.
🏆 And the champion #ElfDeck
(I don't even own an Elvish Champion)
Let me take you through the phases (picture by picture)
Phase 1 (usually rounds 1 and 2):
I play a forest and a Llanowar Elf or an Elvish Mystic, so I have 3 in round 2 and play either Elvish Archdruid or Wood Elves.
That gets me up to 8 to spend in round 3
Phase 2 (optional):
If I don't already have the elves from phase 3 on my hand I get at least one of them with Elvish Harbinger. Also in case I still don't have enough mana this helps.
Phase 3 (annihilation):
With all the mana I play Joraga Warcaller with X +1+1 counters. Or I play him for just one mana and improve on him with Immaculate Magistrate in the next round.
Those two go perfect together and are way better than proliferating, because you just have to increase power and toughness of one creature and all elves will become stronger.
Then I attack with Elzuri's special power activated at least once.
We're at round 4-6 and I attack with a lot of very strong elves with trample.
Phase 4 (boni):
These are just bonus cards that let me have much more elves, mana and power on the battlefield quickly.
A card that is missing:
Allosaurus shepherd, which is a great choice to get with the Elvish Harbinger if I play against a 
counter deck. Not to mention the Elzuri-esque special power.
Root 
@paula I love elves, what do you think of the recently released Leaf Crowned Visionary? More lords are always good.
https://scryfall.com/card/dmu/167/leaf-crowned-visionary
Also Elvish Promenade is a very cool card, I like that a lot.
@RootTheGoat Nice! Great card 🙂