MagicTheGathering.fyi

Strionic Resonator

Artifact

{2}, {T}: Copy target triggered ability you control. You may choose new targets for the copy. (A triggered ability uses the words "when," "whenever," or "at.")

CMC
2
Mana cost
{2}
Color identity
C
Rarity
rare
Set
March of the Machine Commander
Price
$9.96
EDHREC rank
#561
Buy on TCGplayer
Strionic Resonator card art
Strionic Resonator copies any triggered ability for two mana and a tap — a symmetrical effect that ranges from mild value to a game-ending engine depending on what triggers you're feeding it. Brago, King Eternal and Mishra, Eminent One both run it at over 50% inclusion because it turns their once-per-turn triggers into twice-per-turn engines at a two-mana artifact price of entry.

Best Commanders

Commanders with the highest synergy

01
Mishra, Eminent One

Mishra, Eminent One

71.6% of decks · synergy 0.67

Mishra, Eminent One triggers whenever you attack, creating a token copy of an artifact — Strionic Resonator copies that trigger to produce a second token, doubling your combat-step artifact output every single turn.

02
Chiss-Goria, Forge Tyrant

Chiss-Goria, Forge Tyrant

56.7% of decks · synergy 0.53

Chiss-Goria, Forge Tyrant has an attack trigger that lets you cheat artifacts into play; Strionic Resonator copies that trigger so you're putting down two free artifacts per swing instead of one.

03
Brago, King Eternal

Brago, King Eternal

55.1% of decks · synergy 0.50

Brago, King Eternal's combat damage trigger blinks every nonland permanent you control — Strionic Resonator copies that trigger, and with two mana available from the blinked rocks, the loop becomes self-sustaining and infinite.

04
Etali, Primal Storm

Etali, Primal Storm

53.5% of decks · synergy 0.49

Etali, Primal Storm steals a free spell from each opponent when it attacks; copying that trigger with Strionic Resonator means you're rifling through each opponent's library twice per attack, which snowballs into a one-sided board state fast.

05
Athreos, Shroud-Veiled

Athreos, Shroud-Veiled

45.7% of decks · synergy 0.44

Athreos, Shroud-Veiled places coin counters on creatures at end of turn; Strionic Resonator doubles the counters placed, accelerating the theft engine so you're converting opponents' boards into your own army in half the time.

Format Analysis

Where it lives, where it can’t

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

Strionic Resonator is legal in Commander, Legacy, Modern, Pioneer, Vintage, and Oathbreaker, but its home is unambiguously Commander. In 60-card formats, triggered abilities are narrower and more situational, and spending two mana plus a tap to copy one rarely generates enough value to compete — you're looking at a niche build-around at best in Modern or Pioneer. Commander is where Strionic Resonator earns every slot: the format is built around powerful, repeatable triggered abilities, and one well-timed copy of an attack trigger or end-step effect routinely generates disproportionate advantage. In Oathbreaker it has theoretical legs in the right shell, but the compressed game length means the setup cost bites harder.

Key Combos

Combo lines featuring this card

807 decks
Ulalek, Fused AtrocityWrithing ChrysalisStrionic Resonator

Ulalek, Fused AtrocityWrithing ChrysalisStrionic Resonator

Infinite +1/+1 counters on an infinite number of creature tokens; Infinite copies of abilities you control on the stack; Infinite creature tokens; Infinite death triggers; Infinite ETB; Infinite LTB; Infinite sacrifice triggers; Infinite colorless mana

View on Commander Spellbook ↗

Budget Alternatives

Cheaper options that do most of the same work

There's no direct budget replacement for Strionic Resonator because copying triggered abilities is a narrow mechanical niche — most alternatives shift strategy rather than replicate it. If the goal is doubling combat triggers specifically, cards like Strionic Resonator's closest stand-ins in spirit are extra-combat spells or cards that flicker permanents, but none of those do the same thing at instant speed for two mana; you're trading flexibility for a narrower role at a lower price point.

Price Context

Current price

$9.96 mid tier

At $9.96, Strionic Resonator sits in the mid tier — meaningful enough that it's not an auto-include in every list, but cheap enough that any deck where it's good should just run it. It's a unique effect with no functional reprint at a lower price, so the floor is unlikely to drop far as long as triggered-ability commanders remain popular.

Explore

Sources

Mentioned

← All cards

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