---
name: "Forge Armor"
mana_cost: "{4}{R}"
cmc: 5
type_line: "Instant"
colors: ["R"]
color_identity: ["R"]
keywords: []
set: "MRD"
set_name: "Mirrodin"
collector_number: "92"
rarity: "uncommon"
artist: "Tony Szczudlo"
oracle_id: "7d4d9bfa-7e85-461b-bd62-1de97690a110"
canonical_url: "https://avascry.com/printing/forge-armor-mrd"
legalities:
  commander: "legal"
  standard: "not_legal"
  modern: "legal"
  pioneer: "not_legal"
  legacy: "legal"
  vintage: "legal"
  pauper: "not_legal"
  penny: "not_legal"
---

# Forge Armor
- **Mana Cost:** `{4}{R}` (CMC: 5)
- **Type:** Instant

## Oracle Text
As an additional cost to cast this spell, sacrifice an artifact.
Put X +1/+1 counters on target creature, where X is the sacrificed artifact's mana value.

## Top 4096-Dim Neural Synergies
1. [Living Armor](/printing/living-armor-drk.md) — Artifact
2. [Artillerize](/printing/artillerize-nph.md) — Instant
3. [Dwarven Weaponsmith](/printing/dwarven-weaponsmith-atq.md) — Creature — Dwarf Artificer
4. [Foundry Helix](/printing/foundry-helix-mh2.md) — Instant
5. [Incendiary Sabotage](/printing/incendiary-sabotage-kld.md) — Instant
6. [Shrapnel Blast](/printing/shrapnel-blast-mrd.md) — Instant

## Printing Details
- **Set:** Mirrodin (MRD) #92
- **Rarity:** Uncommon
- **Artist:** Tony Szczudlo
- **Total Printings:** 9 across all historical editions

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