---
name: "Derelor"
mana_cost: "{3}{B}"
cmc: 4
type_line: "Creature — Thrull"
colors: ["B"]
color_identity: ["B"]
keywords: []
set: "FEM"
set_name: "Fallen Empires"
collector_number: "36"
rarity: "rare"
artist: "Anson Maddocks"
oracle_id: "43f2969e-46eb-4fd4-8b2d-ff81aafcc24a"
canonical_url: "https://avascry.com/printing/derelor-fem"
legalities:
  commander: "legal"
  standard: "not_legal"
  modern: "not_legal"
  pioneer: "not_legal"
  legacy: "legal"
  vintage: "legal"
  pauper: "not_legal"
  penny: "not_legal"
---

# Derelor
- **Mana Cost:** `{3}{B}` (CMC: 4)
- **Type:** Creature — Thrull
- **Power/Toughness:** 4/4

## Oracle Text
Black spells you cast cost {B} more to cast.

> *"Strength it has, but at the cost of a continuous supply of energy. Such failure can bear only one result."
—From the execution order for Endrek Sahr, Master Breeder*

## Top 4096-Dim Neural Synergies
1. [Andradite Leech](/printing/andradite-leech-inv.md) — Creature — Leech
2. [Thrull Wizard](/printing/thrull-wizard-fem.md) — Creature — Thrull Wizard
3. [Defiler of Flesh](/printing/defiler-of-flesh-dmu.md) — Creature — Phyrexian Horror
4. [Drag to the Underworld](/printing/drag-to-the-underworld-thb.md) — Instant
5. [Basal Thrull](/printing/basal-thrull-fem.md) — Creature — Thrull
6. [Smolder Initiate](/printing/smolder-initiate-shm.md) — Creature — Elemental Shaman

## Printing Details
- **Set:** Fallen Empires (FEM) #36
- **Rarity:** Rare
- **Artist:** Anson Maddocks
- **Total Printings:** 20 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`