---
name: "Memory Erosion"
mana_cost: "{1}{U}{U}"
cmc: 3
type_line: "Enchantment"
colors: ["U"]
color_identity: ["U"]
keywords: ["Mill"]
set: "ALA"
set_name: "Shards of Alara"
collector_number: "50"
rarity: "rare"
artist: "Howard Lyon"
oracle_id: "f4a96881-586d-44ad-b427-5cdf8988f9a1"
canonical_url: "https://avascry.com/printing/memory-erosion-ala"
legalities:
  commander: "legal"
  standard: "not_legal"
  modern: "legal"
  pioneer: "not_legal"
  legacy: "legal"
  vintage: "legal"
  pauper: "not_legal"
  penny: "legal"
---

# Memory Erosion
- **Mana Cost:** `{1}{U}{U}` (CMC: 3)
- **Type:** Enchantment
- **Keywords:** Mill

## Oracle Text
Whenever an opponent casts a spell, that player mills two cards.

> *"Os Textos de Filigree não o compelem a agir de acordo com seus preceitos. Eles simplesmente especificam as conseqüências caso você não os siga." — Lodus, dos Etherólatras*

## Top 4096-Dim Neural Synergies
1. [Jace's Erasure](/printing/jaces-erasure-m11.md) — Enchantment
2. [Ray of Erasure](/printing/ray-of-erasure-ice.md) — Instant
3. [Vessel of Paramnesia](/printing/vessel-of-paramnesia-soi.md) — Enchantment
4. [Weight of Memory](/printing/weight-of-memory-ajmp.md) — Sorcery
5. [Memory Sluice](/printing/memory-sluice-shm.md) — Sorcery
6. [False Memories](/printing/false-memories-tor.md) — Instant

## Printing Details
- **Set:** Shards of Alara (ALA) #50
- **Rarity:** Rare
- **Artist:** Howard Lyon
- **Total Printings:** 18 across all historical editions

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