---
name: "Splinter, the Mentor"
mana_cost: "{1}{B}"
cmc: 2
type_line: "Legendary Creature — Mutant Ninja Rat"
colors: ["B"]
color_identity: ["B"]
keywords: ["Partner", "Menace"]
set: "TMC"
set_name: "Teenage Mutant Ninja Turtles Eternal"
collector_number: "3"
rarity: "mythic"
artist: "Andrea Tentori Montalto"
oracle_id: "fdcb016e-36e7-46b3-9dff-20b9b9cc421d"
canonical_url: "https://avascry.com/printing/splinter-the-mentor-tmc"
legalities:
  commander: "legal"
  standard: "not_legal"
  modern: "not_legal"
  pioneer: "not_legal"
  legacy: "legal"
  vintage: "legal"
  pauper: "not_legal"
  penny: "not_legal"
---

# Splinter, the Mentor
- **Mana Cost:** `{1}{B}` (CMC: 2)
- **Type:** Legendary Creature — Mutant Ninja Rat
- **Power/Toughness:** 2/2
- **Keywords:** Partner, Menace

## Oracle Text
Menace
Whenever Splinter or another nontoken creature you control leaves the battlefield, create a Mutagen token.
Partner—Character select (You can have two commanders if both have this ability.)

> *"We choose what holds us back."*

## Top 4096-Dim Neural Synergies
1. [Splinter, Aging Champion](/printing/splinter-aging-champion-tmc.md) — Legendary Creature — Mutant Ninja Rat
2. [Splinter & Leo, Father & Son](/printing/splinter-leo-father-son-tmc.md) — Legendary Creature — Mutant Ninja Rat Turtle
3. [Splinter, Hamato Yoshi](/printing/splinter-hamato-yoshi-tmt.md) — Legendary Creature — Mutant Ninja Rat
4. [Donatello, the Brains](/printing/donatello-the-brains-tmc.md) — Legendary Creature — Mutant Ninja Turtle
5. [Splinter, Radical Rat](/printing/splinter-radical-rat-tmt.md) — Legendary Creature — Mutant Ninja Rat
6. [Leonardo, the Balance](/printing/leonardo-the-balance-tmc.md) — Legendary Creature — Mutant Ninja Turtle

## Printing Details
- **Set:** Teenage Mutant Ninja Turtles Eternal (TMC) #3
- **Rarity:** Mythic
- **Artist:** Andrea Tentori Montalto
- **Total Printings:** 8 across all historical editions

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