---
name: "River Serpent"
mana_cost: "{5}{U}"
cmc: 6
type_line: "Creature — Serpent"
colors: ["U"]
color_identity: ["U"]
keywords: ["Cycling"]
set: "PLST"
set_name: "The List"
collector_number: "AKH-66"
rarity: "common"
artist: "Christopher Moeller"
oracle_id: "d6f8c69f-e603-41f5-8f25-da8a102f7c8d"
canonical_url: "https://avascry.com/printing/river-serpent-plst"
legalities:
  commander: "legal"
  standard: "not_legal"
  modern: "legal"
  pioneer: "legal"
  legacy: "legal"
  vintage: "legal"
  pauper: "legal"
  penny: "legal"
---

# River Serpent
- **Mana Cost:** `{5}{U}` (CMC: 6)
- **Type:** Creature — Serpent
- **Power/Toughness:** 5/5
- **Keywords:** Cycling

## Oracle Text
This creature can't attack unless there are five or more cards in your graveyard.
Cycling {U} ({U}, Discard this card: Draw a card.)

> *Though the Luxa River brings life to Naktamun, it's not without dangers.*

## Top 4096-Dim Neural Synergies
1. [Sandbar Serpent](/printing/sandbar-serpent-usg.md) — Creature — Serpent
2. [Deep-Sea Terror](/printing/deep-sea-terror-ori.md) — Creature — Serpent
3. [Floodtide Serpent](/printing/floodtide-serpent-bng.md) — Creature — Serpent
4. [Slipstream Eel](/printing/slipstream-eel-cmd.md) — Creature — Fish Beast
5. [Striped Riverwinder](/printing/striped-riverwinder-plst.md) — Creature — Serpent
6. [Lava Serpent](/printing/lava-serpent-iko.md) — Creature — Elemental Serpent

## Printing Details
- **Set:** The List (PLST) #AKH-66
- **Rarity:** Common
- **Artist:** Christopher Moeller
- **Total Printings:** 12 across all historical editions

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