---
name: "Arc Reactor"
mana_cost: "{5}"
cmc: 5
type_line: "Artifact"
colors: []
color_identity: []
keywords: ["Improvise"]
set: "MSH"
set_name: "Marvel Super Heroes"
collector_number: "243"
rarity: "rare"
artist: "Maxim Ruabtsev"
oracle_id: "55f7b005-31ea-4865-a8f3-460d15bed795"
canonical_url: "https://avascry.com/printing/arc-reactor-msh"
legalities:
  commander: "legal"
  standard: "legal"
  modern: "legal"
  pioneer: "legal"
  legacy: "legal"
  vintage: "legal"
  pauper: "not_legal"
  penny: "legal"
---

# Arc Reactor
- **Mana Cost:** `{5}` (CMC: 5)
- **Type:** Artifact
- **Keywords:** Improvise

## Oracle Text
Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.)
This artifact enters tapped.
{T}: Add {C}{C}{C}.

> *Una vera meraviglia dell'ingegneria.*

## Top 4096-Dim Neural Synergies
1. [Foundry Assembler](/printing/foundry-assembler-aer.md) — Artifact Creature — Assembly-Worker
2. [Inspiring Statuary](/printing/inspiring-statuary-moc.md) — Artifact
3. [Whir of Invention](/printing/whir-of-invention-aer.md) — Instant
4. [Barricade Breaker](/printing/barricade-breaker-klr.md) — Artifact Creature — Juggernaut
5. [Automated Artificer](/printing/automated-artificer-neo.md) — Artifact Creature — Artificer
6. [Ironheart, Clever Champion](/printing/ironheart-clever-champion-msh.md) — Legendary Artifact Creature — Human Hero

## Printing Details
- **Set:** Marvel Super Heroes (MSH) #243
- **Rarity:** Rare
- **Artist:** Maxim Ruabtsev
- **Total Printings:** 12 across all historical editions

## Format Legalities
Commander: `legal` | Standard: `legal` | Modern: `legal` | Pioneer: `legal` | Legacy: `legal` | Vintage: `legal` | Pauper: `not_legal` | Penny: `legal`