---
name: "Merfolk Observer"
mana_cost: "{1}{U}"
cmc: 2
type_line: "Creature — Merfolk Rogue"
colors: ["U"]
color_identity: ["U"]
keywords: []
set: "ROE"
set_name: "Rise of the Eldrazi"
collector_number: "76"
rarity: "common"
artist: "Anthony Francisco"
oracle_id: "0b5d49ce-7e02-4de6-8a65-bfc88ac0cf72"
canonical_url: "https://avascry.com/printing/merfolk-observer-roe"
legalities:
  commander: "legal"
  standard: "not_legal"
  modern: "legal"
  pioneer: "not_legal"
  legacy: "legal"
  vintage: "legal"
  pauper: "legal"
  penny: "legal"
---

# Merfolk Observer
- **Mana Cost:** `{1}{U}` (CMC: 2)
- **Type:** Creature — Merfolk Rogue
- **Power/Toughness:** 2/1

## Oracle Text
When this creature enters, look at the top card of target player's library.

> *「その構造は一時間毎に大きくなり、面晶体もその表面から深くにさらに集まってきている。 中に入れたなら……」*

## Top 4096-Dim Neural Synergies
1. [Rootwater Mystic](/printing/rootwater-mystic-exo.md) — Creature — Merfolk Wizard
2. [Puresight Merrow](/printing/puresight-merrow-plst.md) — Creature — Merfolk Wizard
3. [Eclipsed Merrow](/printing/eclipsed-merrow-ecl.md) — Creature — Merfolk Scout
4. [Augur of Bolas](/printing/augur-of-bolas-c13.md) — Creature — Merfolk Wizard
5. [Emperor Mihail II](/printing/emperor-mihail-ii-dmc.md) — Legendary Creature — Merfolk Noble
6. [Voda Sea Scavenger](/printing/voda-sea-scavenger-dmu.md) — Creature — Merfolk Rogue

## Printing Details
- **Set:** Rise of the Eldrazi (ROE) #76
- **Rarity:** Common
- **Artist:** Anthony Francisco
- **Total Printings:** 9 across all historical editions

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