---
name: "Sire of Insanity"
mana_cost: "{4}{B}{R}"
cmc: 6
type_line: "Creature — Demon"
colors: ["B", "R"]
color_identity: ["B", "R"]
keywords: []
set: "SLD"
set_name: "Secret Lair Drop"
collector_number: "275"
rarity: "rare"
artist: "Thomas M. Baxa"
oracle_id: "b55d8cd6-037d-4d7c-90ec-51249d34b02e"
canonical_url: "https://avascry.com/printing/sire-of-insanity-sld"
legalities:
  commander: "legal"
  standard: "not_legal"
  modern: "legal"
  pioneer: "legal"
  legacy: "legal"
  vintage: "legal"
  pauper: "not_legal"
  penny: "legal"
---

# Sire of Insanity
- **Mana Cost:** `{4}{B}{R}` (CMC: 6)
- **Type:** Creature — Demon
- **Power/Toughness:** 6/4

## Oracle Text
At the beginning of each end step, each player discards their hand.

## Top 4096-Dim Neural Synergies
1. [Wit's End](/printing/wits-end-dis.md) — Sorcery
2. [Cunning Lethemancer](/printing/cunning-lethemancer-ala.md) — Creature — Human Wizard
3. [Gutmorn, Pactbound Servant](/printing/gutmorn-pactbound-servant-ymid.md) — Legendary Creature — Demon
4. [Mindslicer](/printing/mindslicer-ody.md) — Creature — Horror
5. [Tyrannize](/printing/tyrannize-shm.md) — Sorcery
6. [Malfegor](/printing/malfegor-ima.md) — Legendary Creature — Demon Dragon

## Printing Details
- **Set:** Secret Lair Drop (SLD) #275
- **Rarity:** Rare
- **Artist:** Thomas M. Baxa
- **Total Printings:** 13 across all historical editions

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