Is Orca, Siege Demon good in Commander?

Orca, Siege Demon in Commander — Combos, Decks & Price

Orca, Siege Demon enters swinging: a massive flying Demon that taxes your opponents' boards on arrival and keeps draining value every turn it survives. The cost is real — it wants a steady stream of tokens or expendable creatures to feed its ability, which is exactly why Animation Module and Akul the Unrepentant shells pay that price without blinking.

Best Commanders

Commanders with the highest synergy

01

Akul the Unrepentant

25.1% of decks · synergy 0.24

Akul the Unrepentant generates Treasure and bodies naturally, giving Orca, Siege Demon a constant sacrifice fuel source while Akul's evasion and drain effects stack on top of Orca's own pressure.

02

Raphael, Fiendish Savior

20.5% of decks · synergy 0.20

Raphael, Fiendish Savior pumps out Demons and Devils at a steady clip, and Orca, Siege Demon slots right into that tribal engine as both a payoff and a sacrifice outlet target when the board demands it.

Format Analysis

Where it lives, where it can’t

Format	Verdict
commander	legal
legacy	legal
modern	not legal
pioneer	not legal
standard	not legal
vintage	legal
pauper	not legal
oathbreaker	legal

Commander is where Orca, Siege Demon does its best work — a 100-card singleton format with three opponents means Orca's repeated drain triggers compound fast, and token-generation strategies are ubiquitous enough that feeding it is rarely a problem. Legacy and Vintage are legal homes on paper, but a six-mana Demon with no immediate board protection competes poorly against the raw efficiency of those formats. Oathbreaker offers a tighter, faster game where Orca can close quickly if you resolve it, though the speed of the format makes the six-mana ask risky without dedicated ramp.

Key Combos

Combo lines featuring this card

25 decks

Orca, Siege DemonAnimation Module Ashnod's Altar

Infinite +1/+1 counters on a creature; Infinite colorless mana; Infinite damage; Infinite death triggers; Infinite ETB; Infinite LTB; Infinite sacrifice triggers

View on Commander Spellbook ↗

10 decks

Orca, Siege DemonAnimation Module Phyrexian Altar

Infinite +1/+1 counters on a creature; Infinite damage; Infinite death triggers; Infinite ETB; Infinite LTB; Infinite sacrifice triggers

View on Commander Spellbook ↗

Price Context

Current price

unknown tier

Pricing data for Orca, Siege Demon isn't currently available, so check Scryfall or your preferred retailer for the latest number before buying. Given its role as a build-around Demon in a popular Commander archetype, supply and demand can shift quickly after new tribal support releases.