Legendary Creature — Aetherborn Rogue

Gonti, Canny Acquisitor

Mana value5EDHREC#7,739

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The Commander

Spells you cast but don't own cost {1} less to cast.

Whenever one or more creatures you control deal combat damage to a player, look at the top card of that player's library, then exile it face down. You may play that card for as long as it remains exiled, and mana of any type can be spent to cast that spell.

Guide

Gameplan

Gonti, Canny Acquisitor turns combat damage into card advantage: hit each opponent and exile the top of their library to play later, with any color of mana. You assemble an evasive/wide board, grind value off everyone else's decks, and leverage the {1} discount to cast all the stolen spells cheaply. The deck snowballs into a value engine that closes with steals, combo, or sheer overwhelming advantage.

Strengths

Generates relentless card advantage from opponents' libraries every combat
The discount and 'any mana' clause make casting stolen cards nearly free and color-agnostic
Sultai colors give access to the best ramp, removal, and recursion in the format
Rewards going wide or evasive, and scales hard in multiplayer with three damage targets

Weaknesses

Needs to connect in combat to do anything, so it folds to board wipes and Fog effects
Value is reactive and random — you don't choose what you steal
Commander itself is mana-value 5 and not evasive, so it relies on support to hit
Vulnerable to graveyard/exile hate that disrupts theft and recursion engines

Key Cards

Hellkite Tyrant — Steals permanents on combat damage, stacking another theft engine alongside Gonti's library steal.
Coastal Piracy — Doubles down on combat-damage payoffs, drawing extra cards whenever your creatures connect.
Whispersilk Cloak — Gives Gonti unblockable and shroud so its trigger reliably fires every turn.
Etali, Primal Conqueror — Another cast-from-exile engine that synergizes perfectly with Gonti's spend-any-mana clause.
Maskwood Nexus — Turns your tokens into Rogues and supports tribal payoffs while widening your attack.
Knowledge Pool — Forces everyone to cast from exile, which the discount and any-mana clause exploit far better than opponents can.

Upgrade Path

Add evasion and protection (Rogue's Passage, Whispersilk Cloak, Lightning Greaves) so Gonti connects every turn, plus more combat-damage payoffs like Bident of Thassa. Layer in additional cast-from-exile and theft pieces (Etali, Mind's Dilation, Thieving Skydiver) and lean on fast mana and tutors (Mana Crypt, Demonic Tutor, Vampiric Tutor) to deploy your engine faster. Round out with strong Sultai interaction and a tight wincon so the value converts into closing the game.

Core Cards

From 1 Mythicwyrm deck.

Win Conditions

▸Overwhelming card and resource advantage from constant theft grinding opponents out
▸Casting bombs and finishers stolen from opponents' libraries
▸Combat damage finish via go-wide tokens or evasive beaters
▸Stolen-permanent engines like Hellkite Tyrant snowballing into a dominant board

Archetypes

Theft/Goodstuff Value — Gonti's combat trigger plus the cost reduction makes stealing and casting opponents' cards the core engine.
Aggro Tempo (Go-Wide/Evasion) — Maximizing combat connections multiplies the library-steal and damage-based card draw triggers.
Spellslinger/Cast-from-Exile — The any-color mana clause and discount let you abuse Etali, Knowledge Pool, and impulse-draw effects efficiently.
Control — Sultai removal, counters, and grindy card advantage let you stabilize then bury opponents in resources.