---
name: "Obsessive Astronomer"
mana_cost: "{1}{R}"
cmc: 2
type_line: "Creature — Human Wizard"
colors: ["R"]
color_identity: ["R"]
keywords: []
set: "DBL"
set_name: "Innistrad: Double Feature"
collector_number: "152"
rarity: "uncommon"
artist: "Josu Hernaiz"
oracle_id: "fde06097-1cf1-4774-b6ca-7cf15dfe4837"
canonical_url: "https://avascry.com/printing/obsessive-astronomer-dbl"
legalities:
  commander: "legal"
  standard: "not_legal"
  modern: "legal"
  pioneer: "legal"
  legacy: "legal"
  vintage: "legal"
  pauper: "not_legal"
  penny: "not_legal"
---

# Obsessive Astronomer
- **Mana Cost:** `{1}{R}` (CMC: 2)
- **Type:** Creature — Human Wizard
- **Power/Toughness:** 2/2

## Oracle Text
If it's neither day nor night, it becomes day as this creature enters.
Whenever day becomes night or night becomes day, discard up to two cards, then draw that many cards.

> *"Sleep? I can sleep when I'm dead!"*

## Top 4096-Dim Neural Synergies
1. [Firmament Sage](/printing/firmament-sage-dbl.md) — Creature — Human Wizard
2. [Celestus Sanctifier](/printing/celestus-sanctifier-dbl.md) — Creature — Human Cleric
3. [Gavony Dawnguard](/printing/gavony-dawnguard-dbl.md) — Creature — Human Soldier
4. [Into the Night](/printing/into-the-night-vow.md) — Sorcery
5. [Component Collector](/printing/component-collector-dbl.md) — Creature — Homunculus
6. [The Celestus](/printing/the-celestus-dbl.md) — Legendary Artifact

## Printing Details
- **Set:** Innistrad: Double Feature (DBL) #152
- **Rarity:** Uncommon
- **Artist:** Josu Hernaiz
- **Total Printings:** 12 across all historical editions

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