Splinter, the Mentor

Bmono-black{1}{B}$1.99
Legendary Creature — Mutant Ninja Rat
Splinter, the Mentor card art

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.)

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How Splinter decks play in EDH

Splinter, the Mentor is a mono-black commander costing 1B, and its legendary creature - mutant ninja rat line shapes the whole deck around it. It makes tokens, so the deck wants ways to pump a wide board and to turn spare bodies into cards or damage. Built-in evasion means damage gets through reliably, so effects that scale that damage are worth more than extra bodies. The cards below are the ones Splinter, the Mentor decks actually play most often, grouped by the job they do.

Most-played cards

20 cards · about $34.27

Play rates from EDHREC. Prices from Scryfall, refreshed daily.

Ramp (4)

Bag End Banquet
Bag End Banquet
$6.87
Dark Ritual
Dark Ritual
$0.44
Deadly Dispute
Deadly Dispute
$0.32
Pitiless Plunderer
Pitiless Plunderer
$3.76

Card draw (5)

Agent Venom
Agent Venom
$0.37
Read the Bones
Read the Bones
$0.20
Rat King, Pale Piper
Rat King, Pale Piper
$0.38
Night's Whisper
Night's Whisper
$0.31
Village Rites
Village Rites
$0.34

Removal (4)

Swift Demise
Swift Demise
$0.36
The Cloning of Shredder
The Cloning of Shredder
$0.89
Throat Slitter
Throat Slitter
$3.02
Shredder's Technique
Shredder's Technique
$0.30

Creatures (4)

Bloodline Recollector // Ancestral Craving
Bloodline Recollector // Ancestral Craving
$10.88
Metallic Mimic
Metallic Mimic
$0.99
Okiba-Gang Shinobi
Okiba-Gang Shinobi
$1.07
Shark Shredder, Killer Clone
Shark Shredder, Killer Clone
$0.39

Synergy & payoffs (3)

Long-Lost Lances
Long-Lost Lances
$1.82
Foot Chopper
Foot Chopper
$0.30
Ninja Teen
Ninja Teen
$1.26

Build the full 100

Grimoire generates a complete, Commander-legal Splinter, the Mentor decklist with a written strategy, a full mana base and live prices — from the whole card pool, or only from cards you already own.

Start with Splinter

Splinter deck questions

What colours can I use in a Splinter, the Mentor deck?

Splinter, the Mentor has a mono-black colour identity, so every card in the deck must be black or colourless. That includes mana symbols in rules text, not just casting cost.

What are the best cards for Splinter, the Mentor?

The cards played most often in Splinter, the Mentor decks include Long-Lost Lances, Bag End Banquet, Bloodline Recollector // Ancestral Craving. The full list of staples above is grouped by the job each card does, so you can see the deck's skeleton rather than just a pile of names.

How much does a Splinter, the Mentor deck cost?

The 20 most-played cards shown above come to roughly $34.27 at current market prices. A complete 100-card build costs more, and Grimoire can generate a budget version instead if you set a price ceiling.

Can I build a Splinter, the Mentor deck from cards I already own?

Yes. Import your collection into Grimoire and choose "my cards" when you build. The generator will only use cards you actually own, and the Missing Cards page shows what you would need to buy to finish any list.

Other mono-black commanders

Shredder, UnrelentingYawgmoth, Thran PhysicianGaius van BaelsarLiliana the Repentant