---
name: "Gemini Engine"
mana_cost: "{6}"
cmc: 6
type_line: "Artifact Creature — Construct"
colors: []
color_identity: []
keywords: []
set: "DST"
set_name: "Darksteel"
collector_number: "121"
rarity: "rare"
artist: "Nottsuo"
oracle_id: "eab4241d-a0d8-4914-85a4-56bc4ff718f2"
canonical_url: "https://avascry.com/printing/gemini-engine-dst"
legalities:
  commander: "legal"
  standard: "not_legal"
  modern: "legal"
  pioneer: "not_legal"
  legacy: "legal"
  vintage: "legal"
  pauper: "not_legal"
  penny: "legal"
---

# Gemini Engine
- **Mana Cost:** `{6}` (CMC: 6)
- **Type:** Artifact Creature — Construct
- **Power/Toughness:** 3/4

## Oracle Text
Whenever this creature attacks, create a colorless Construct artifact creature token named Twin that's attacking. Its power is equal to this creature's power and its toughness is equal to this creature's toughness. Sacrifice the token at end of combat.

## Top 4096-Dim Neural Synergies
1. [Gnome-Made Engine](/printing/gnome-made-engine-ust.md) — Host Artifact Creature — Construct
2. [Splinter Twin](/printing/splinter-twin-roe.md) — Enchantment — Aura
3. [Stangg, Echo Warrior](/printing/stangg-echo-warrior-dmc.md) — Legendary Creature — Human Warrior
4. [Marching Duodrone](/printing/marching-duodrone-clb.md) — Artifact Creature — Construct
5. [Kavaron Harrier](/printing/kavaron-harrier-eoe.md) — Artifact Creature — Robot Soldier
6. [Mishra, Eminent One](/printing/mishra-eminent-one-prm.md) — Legendary Creature — Human Artificer

## Printing Details
- **Set:** Darksteel (DST) #121
- **Rarity:** Rare
- **Artist:** Nottsuo
- **Total Printings:** 8 across all historical editions

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