5-color Sisay - fast, competitive, and full of superfriends

[Theoric]

This deck may look slow and clunky but it's neither of those things. It fills the battlefield with more than a dozen legendary permanents by turn 4 or 5 unless disrupted (and usually does even through removal) and it throws tons of disruption your opponents' way.

It also has a cool theme that should appeal to fans of the Weatherlight Saga. It requires only two cards to combo off, Sisay, weatherlight captain and Jegantha the wellspring, and both are in the command zone (Jegantha is companion).

How it works:
Turns 1-3: cast mana dorks/rocks, and put Jegantha in hand or cast bloom tender, faeburrow elder, or timeless lotus.
Turns 2-4: cast Jegantha, bloom tender, faeburrow elder, or timeless lotus.
Turns 3-5: cast Sisay, tap Jegantha (or other mana generator) to bring out derevi, empyrial tactician (untap jegantha), tap jegantha to bring out Gideon, Martial Paragon (or a kiora planeswalker) (untap jegantha), bring out oath of teferi and use Gideon again to untap jegantha and bring out Teferi, Who Slows the Sunset (untap jegantha), bring out Samut, Voice of Dissent (untap Jegantha. Your creatures have haste now), tap Jegantha for Aminatou, the Fateshifter. Aminatou can flicker two permanents, so target Gideon twice for at least 4 more Jegantha activations (to bring out Sisay's Weatherlight Crew and Jodah, the Unifier). When you deal combat damage, use Derevi's untap ability on Jegantha to make mana and bring out Legacy Weapon and exile a few things with it.

I always end the turn with Jegantha/bloom/faeburrow/lotus untapped so I can respond to an opponent's spell by cheating something into play such as ertai resurrected or shalai, voice of plenty.

Sisay's Legacy

DecklistCMCManaPricesChartsDraw 7

# The Captain

1 Sisay, Weatherlight Captain

# The Crew

1 Ertai Resurrected

1 Gideon, Martial Paragon

1 Gerrard, Weatherlight Hero

1 Karn, the Great Creator

1 Mirri, Weatherlight Duelist

1 Teferi, Who Slows the Sunset

# Companion

1 Jegantha, the wellspring

# Card Draw/Tutoring

1 Brainstorm

1 Bring to Light

1 Demonic Tutor

1 Eladamri's Call

1 Green Sun's Zenith

1 Mystical Tutor

1 Sylvan Library

1 Vampiric Tutor

1 Worldly Tutor

# Lands

1 Arid Mesa

1 Blooming Marsh

1 Botanical Sanctum

1 Bountiful Promenade

1 Breeding Pool

1 City of Brass

1 Command Tower

1 Copperline Gorge

1 Deathcap Glade

1 Dreamroot Cascade

1 Exotic Orchard

1 Flooded Grove

1 Forbidden Orchard

1 Marsh Flats

1 Misty Rainforest

1 Nurturing Peatland

1 Overgrown Tomb

1 Path of Ancestry

1 Plaza of Heroes

1 Polluted delta

1 Razorverge Thicket

1 Reflecting Pool

1 Rejuvenating Springs

1 Stomping Ground

1 Temple Garden

1 Twilight Mire

1 Undergrowth Stadium

1 Waterlogged Grove

1 Windswept Heath

1 Wooded Bastion

1 Yavimaya Coast

# Other Creatures

1 Avacyn's Pilgrim

1 Birds of Paradise

1 Bloom Tender

1 Elves of Deep Shadow

1 Faeburrow Elder

1 Generator Servant

1 Ignoble Hierarch

1 Imperial Recruiter

1 Noble Hierarch

1 Somberwald Sage

# Other Legendaries

1 Aminatou, the Fateshifter

1 Derevi, Empyrial Tactician

1 Domri, Anarch of Bolas

1 Grist, the hunger tide

1 Jodah, the Unifier

1 Karn's Sylex

1 Katilda, Dawnhart Prime

1 Kiora, Behemoth Beckoner

1 Kiora, Master of the Depths

1 Lagrella, the Magpie

1 Lazav, the Multifarious

1 Legacy Weapon

1 Merieke Ri Berit

1 Oath of Teferi

1 Oko, Thief of Crowns

1 Radha, Heir to Keld

1 Rhys the Redeemed

1 Saheeli Rai

1 Samut, Voice of Dissent

1 Shalai, Voice of Plenty

# Ramp

1 Arcane Signet

1 Fellwar Stone

1 Fertile Ground

1 Mana Crypt

1 Relic of Legends

1 Sol Ring

1 Talisman of Creativity

1 Timeless Lotus

1 Trace of Abundance

1 Wild Growth

# Utility

1 An Offer You Can't Refuse

1 Beast Within

1 Cyclonic Rift

1 Deflecting Swat

1 Fire Covenant

1 Kenrith's Transformation

1 Lightning Greaves

1 Need for Speed

1 Path to Exile

1 Swiftfoot Boots

1 Swords to Plowshares

1 Thousand-Year Elixir

1 Urza's Ruinous Blast

Approximate Total Cost:

[Theoric]

Made some changes after Dominaria United got spoiled. Some of those cards are awesome in this deck: Ertai, Jodah, Timeless lotus, Plaza of heroes, Relic of Legends.

[PrimevalCommander]

Based on your target play patterns and critical turn 4-5, it looks a bit like a cEDH style deck. Extremely powerful, but linear. How often does Sisay get removed enough to keep you down during a game?

[Theoric]

Based on your target play patterns and critical turn 4-5, it looks a bit like a cEDH style deck. Extremely powerful, but linear. How often does Sisay get removed enough to keep you down during a game?

You could say it's like Cedh, but with a bunch of jank thrown in. I emphasize playing something fun, not winning outright with a combo, such as teferi who slows the sunset + the peregrine dynamo, which creates infinite life, infinite mana probably, and infinite creature and artifact untaps.

I don't care if Sisay gets removed. She's cheap to cast and she's not the target my opponents should be going for. It's the mana producers that you want to hit. That slows me down, but with all the untapping and a tutor commander, the deck recovers well. Plus the planeswalkers reach their ultimates really easily., especially with oath of teferi in play. I love using Kiora to put three 8/8 krakens on the field and killing three creatures.