---
name: "Karn, Legacy Reforged"
mana_cost: "{5}"
cmc: 5
type_line: "Legendary Artifact Creature — Golem"
colors: []
color_identity: []
keywords: []
set: "MB2"
set_name: "Mystery Booster 2"
collector_number: "255"
rarity: "mythic"
artist: "Anthony S. Waters"
oracle_id: "bc8802db-8c94-4eb4-817f-5f4f5408b7a4"
canonical_url: "https://avascry.com/printing/karn-legacy-reforged-mb2"
legalities:
  commander: "legal"
  standard: "not_legal"
  modern: "legal"
  pioneer: "legal"
  legacy: "legal"
  vintage: "legal"
  pauper: "not_legal"
  penny: "legal"
---

# Karn, Legacy Reforged
- **Mana Cost:** `{5}` (CMC: 5)
- **Type:** Legendary Artifact Creature — Golem
- **Power/Toughness:** */*

## Oracle Text
Karn's power and toughness are each equal to the greatest mana value among artifacts you control.
At the beginning of your upkeep, add {C} for each artifact you control. This mana can't be spent to cast nonartifact spells. Until end of turn, you don't lose this mana as steps and phases end.

## Top 4096-Dim Neural Synergies
1. [Karn, Silver Golem](/printing/karn-silver-golem-vma.md) — Legendary Artifact Creature — Golem
2. [Karn, the Great Creator](/printing/karn-the-great-creator-sld.md) — Legendary Planeswalker — Karn
3. [Karn, Living Legacy](/printing/karn-living-legacy-pdmu.md) — Legendary Planeswalker — Karn
4. [A-Karn, Living Legacy](/printing/a-karn-living-legacy-dmu.md) — Legendary Planeswalker — Karn
5. [Karn, Scion of Urza](/printing/karn-scion-of-urza-dom.md) — Legendary Planeswalker — Karn
6. [Karn's Touch](/printing/karns-touch-mmq.md) — Instant

## Printing Details
- **Set:** Mystery Booster 2 (MB2) #255
- **Rarity:** Mythic
- **Artist:** Anthony S. Waters
- **Total Printings:** 27 across all historical editions

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