---
name: "Sphere of Annihilation"
mana_cost: "{X}{B}"
cmc: 1
type_line: "Artifact"
colors: []
color_identity: ["B"]
keywords: []
set: "PRM"
set_name: "Magic Online Promos"
collector_number: "92716"
rarity: "rare"
artist: "Jason Felix"
oracle_id: "b96399f9-c0ba-4507-be13-65cf716b7757"
canonical_url: "https://avascry.com/printing/sphere-of-annihilation-prm"
legalities:
  commander: "legal"
  standard: "not_legal"
  modern: "legal"
  pioneer: "legal"
  legacy: "legal"
  vintage: "legal"
  pauper: "not_legal"
  penny: "not_legal"
---

# Sphere of Annihilation
- **Mana Cost:** `{X}{B}` (CMC: 1)
- **Type:** Artifact

## Oracle Text
This artifact enters with X void counters on it.
At the beginning of your upkeep, exile this artifact, all creatures and planeswalkers with mana value less than or equal to the number of void counters on it, and all creature and planeswalker cards in graveyards with mana value less than or equal to the number of void counters on it.

## Top 4096-Dim Neural Synergies
1. [Void](/printing/void-ema.md) — Sorcery
2. [Pernicious Deed](/printing/pernicious-deed-a25.md) — Enchantment
3. [Shadows' Verdict](/printing/shadows-verdict-znr.md) — Sorcery
4. [Chalice of the Void](/printing/chalice-of-the-void-a25.md) — Artifact
5. [Decree of Annihilation](/printing/decree-of-annihilation-scg.md) — Sorcery
6. [Obliterate](/printing/obliterate-8ed.md) — Sorcery

## Printing Details
- **Set:** Magic Online Promos (PRM) #92716
- **Rarity:** Rare
- **Artist:** Jason Felix
- **Total Printings:** 6 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`

## Official Rulings
- *(2021-07-23)* If a permanent on the battlefield or a card in a graveyard has {X} in its mana cost, X is 0 when determining that card's mana value.