Ertai, the Corrupted appears in 757 public decks. The most-played cards are Command Tower, Sol Ring and Arcane Signet. The strongest synergies by lift are Lullmage Mentor, Guile and Induced Amnesia.

Basic Land — Island

Basic Land — Plains

Basic Land — Swamp

Land

Artifact

Artifact

Instant

Land — Plains Swamp

Land — Island Swamp

Land — Plains Island

Instant

Enchantment

Land

Enchantment

Creature — Merfolk Wizard

Land

Artifact

Enchantment

Enchantment — Aura

Enchantment

Land

Land

Artifact

Land — Plains Island Swamp

Instant

Artifact

Legendary Creature — Human Wizard

Legendary Creature — Human Artificer

Creature — Elemental Incarnation

Legendary Land

Land

Enchantment

Land

Artifact

Enchantment

Artifact — Equipment

Land

Land

Enchantment

Artifact

Kindred Enchantment — Faerie

Artifact

Enchantment

Instant

Enchantment

Creature — Human Shaman

Instant

Land

Enchantment — Aura

Land — Plains Island

Creature — Illusion

Legendary Land

Creature — Giant

Legendary Creature — Human Wizard

Creature — Human Druid

Land

Artifact Creature — Golem

Land

Land — Island Swamp

Land

Creature — Merfolk Wizard
In 40% of these decks, 231× its usual rate.

Creature — Elemental Incarnation
In 35% of these decks, 191× its usual rate.

Enchantment
In 32% of these decks, 178× its usual rate.

Enchantment
In 47% of these decks, 172× its usual rate.

Enchantment
In 34% of these decks, 142× its usual rate.

Creature — Nightmare
In 12% of these decks, 56× its usual rate.

Enchantment — Aura
In 37% of these decks, 51× its usual rate.

Creature — Illusion
In 29% of these decks, 49× its usual rate.

Enchantment — Aura
In 29% of these decks, 41× its usual rate.

Creature — Spirit
In 25% of these decks, 40× its usual rate.

Artifact
In 21% of these decks, 39× its usual rate.

Creature — Zombie Wizard
In 17% of these decks, 37× its usual rate.
No public Brawl lists for this commander yet — Moxfield lists are excluded from the public catalogue.
Win rates by rank for Arena Brawl decks: Brawl decks on Untapped.gg.