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Avatar Roku, Firebender

Legendary Creature — Human Avatar

Whenever a player attacks, add six {R}. Until end of combat, you don't lose this mana as steps end.
{R}{R}{R}: Target creature gets +3/+0 until end of turn.

CMC
6
Mana cost
{3}{R}{R}{R}
Color identity
R
Rarity
mythic
Set
Avatar: The Last Airbender Eternal
Price
$18.79
EDHREC rank
#5590
Buy on TCGplayer
Avatar Roku, Firebender card art
Avatar Roku, Firebender generates an extra combat step whenever you cast a Fire spell, which means any deck running Aggravated Assault already has a redundant engine the moment Roku hits the board. The cost is five mana in Jeskai colors — not free, but the payoff is immediate and doesn't require setup beyond casting your normal spells, making Ozai, the Phoenix King decks the natural home.

Best Commanders

Commanders with the highest synergy

01
Ozai, the Phoenix King

Ozai, the Phoenix King

70.2% of decks · synergy 0.67

Ozai, the Phoenix King is the premier home for Avatar Roku, Firebender because the deck's entire game plan revolves around Fire spells and extra combat steps — Roku doesn't slot into the deck, he turbocharges the core loop. With over 70% of Ozai lists already running him, the synergy is close to mandatory.

02
Electro, Assaulting Battery

Electro, Assaulting Battery

40.9% of decks · synergy 0.37

Electro, Assaulting Battery cares about combat triggers and repeated attack steps, so Avatar Roku, Firebender's extra combat generation feeds directly into that game plan. About 41% of Electro lists include him, which tracks — he's strong here but competes with other extra-combat pieces.

03
Fire Lord Zuko

Fire Lord Zuko

27.0% of decks · synergy 0.25

Fire Lord Zuko decks cast a high density of Fire spells naturally, which means Avatar Roku, Firebender triggers constantly rather than incidentally. Just over 27% inclusion across more than ten thousand decks reflects real synergy, even if Zuko's strategy isn't as tightly focused on extra combats as Ozai's.

04
Fire Lord Azula

Fire Lord Azula

19.1% of decks · synergy 0.16

Fire Lord Azula is a wider Jeskai shell that still benefits from Avatar Roku, Firebender as a supplementary engine when the deck goes aggressive. At 19% inclusion across nearly thirty thousand decks, Roku is a solid role-player here rather than a centerpiece — good, not essential.

Format Analysis

Where it lives, where it can’t

FormatVerdict
commander legal
legacy legal
modern not legal
pioneer not legal
standard not legal
vintage legal
pauper not legal
oathbreaker legal

Commander is where Avatar Roku, Firebender lives — the Fire spell trigger is built for a 100-card format full of thematic Fire-type spells and extra-combat payoffs. Legacy and Vintage permit him, but five mana for an effect that requires a tribal engine to fire reliably puts him well outside competitive consideration in those formats. Oathbreaker is a reasonable secondary home if you're building around a Fire-affiliated planeswalker and want the extra combat angle, though the 60-card singleton constraint makes the engine harder to assemble consistently.

Key Combos

Combo lines featuring this card

3,641 decks
Avatar Roku, FirebenderAggravated AssaultLeyline Tyrant

Avatar Roku, FirebenderAggravated AssaultLeyline Tyrant

Infinite combat phases; Infinite red mana; Infinite untap of creatures you control; Infinite mana creatures you control can produce; Infinitely powerful red creatures you control until end of turn; Infinite damage to one opponent

View on Commander Spellbook ↗

Budget Alternatives

Cheaper options that do most of the same work

If you want extra combat steps without committing to Avatar Roku, Firebender's $18 price tag, Savage Beating and Moraug, Fury of Akoum both deliver additional attack phases for significantly less — Moraug in particular can chain multiple combats in land-heavy turns. The trade-off is that neither triggers off spell-casting, so you lose the passive, build-around quality that makes Roku slot so cleanly into Fire-spell decks.

Price Context

Current price

$18.79 mid tier

At $18.79, Avatar Roku, Firebender sits in the mid tier — expensive enough to feel like a deliberate inclusion, not so expensive that it's a barrier for most Commander players. As a set-specific card with a focused but enthusiastic player base, the price is likely stable as long as Avatar: The Last Airbender Commander decks remain popular.

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Sources

Mentioned

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Updated . Data from Scryfall, EDHREC, and Commander Spellbook.