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Dragonspark Reactor

Artifact

Whenever this artifact or another artifact you control enters, put a charge counter on this artifact.
{4}, Sacrifice this artifact: It deals damage equal to the number of charge counters on it to target player and that much damage to up to one target creature.

CMC
2
Mana cost
{1}{R}
Color identity
R
Rarity
uncommon
Set
Kamigawa: Neon Dynasty
Price
$0.32
EDHREC rank
#8776
Buy on TCGplayer
Dragonspark Reactor card art
Dragonspark Reactor wins games on the spot once it accumulates enough charge counters — sacrifice it with ten or more and you're dealing ten damage directly to an opponent's face, no combat required. The cost is that it asks you to build around it: Ashnod the Uncaring doubles every activated ability trigger, and pairing Reactor with Eternity Vessel in the right shell turns a slow artifact into a reliable one-shot closer.

Best Commanders

Commanders with the highest synergy

01
Ashnod the Uncaring

Ashnod the Uncaring

19.1% of decks · synergy 0.19

Ashnod the Uncaring doubles the charge counters Dragonspark Reactor accumulates each time you activate an artifact's ability, compressing what normally takes many turns of setup into a two- or three-activation kill that comes out of nowhere.

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

Dragonspark Reactor is a Commander card through and through — the slow counter accumulation is a liability in faster formats where games end before the artifact ever threatens. In Modern and Pioneer it has no competitive home; the payoff simply arrives too late against decks that win on turn three or four. Legacy and Vintage are even less hospitable for the same reason, and the card sees essentially zero play there. Commander is where the math works: longer games, more artifact synergies, and commanders like Ashnod the Uncaring that can supercharge the counter engine fast enough to matter.

Key Combos

Combo lines featuring this card

0 decks
Xavier Sal, Infested CaptainIntruder AlarmDragonspark Reactor

Xavier Sal, Infested CaptainIntruder AlarmDragonspark Reactor

Infinite ETB; Infinite creature tokens; Infinite untap of creatures; Infinite mana creatures you control can produce; Infinite copies of creature tokens you control; Infinite untap of creatures you control

View on Commander Spellbook ↗

Price Context

Current price

$0.32 bulk tier

At $0.32, Dragonspark Reactor sits firmly in bulk territory and is unlikely to climb without a breakout combo discovery. Pick it up freely — at that price the floor is already the floor.

Explore

Sources

Mentioned

← All cards

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