---
name: "Thunderheads"
mana_cost: "{2}{U}"
cmc: 3
type_line: "Instant"
colors: ["U"]
color_identity: ["U"]
keywords: ["Replicate"]
set: "GPT"
set_name: "Guildpact"
collector_number: "37"
rarity: "uncommon"
artist: "Hideaki Takamura"
oracle_id: "9c5bc3a7-42fe-4f8f-b799-ece7dd98ea4d"
canonical_url: "https://avascry.com/printing/thunderheads-gpt"
legalities:
  commander: "legal"
  standard: "not_legal"
  modern: "legal"
  pioneer: "not_legal"
  legacy: "legal"
  vintage: "legal"
  pauper: "not_legal"
  penny: "legal"
---

# Thunderheads
- **Mana Cost:** `{2}{U}` (CMC: 3)
- **Type:** Instant
- **Keywords:** Replicate

## Oracle Text
Replicate {2}{U} (When you cast this spell, copy it for each time you paid its replicate cost.)
Create a 3/3 blue Weird creature token with defender and flying. Exile it at the beginning of the next end step.

> *云层越来越厚，接着伸出利牙。*

## Top 4096-Dim Neural Synergies
1. [Rite of Replication](/printing/rite-of-replication-plst.md) — Sorcery
2. [Extravagant Replication](/printing/extravagant-replication-pncc.md) — Enchantment
3. [Crow Storm](/printing/crow-storm-ust.md) — Sorcery
4. [Irenicus's Vile Duplication](/printing/irenicuss-vile-duplication-hbg.md) — Sorcery
5. [Replication Specialist](/printing/replication-specialist-neo.md) — Creature — Moonfolk Artificer
6. [Reiterating Bolt](/printing/reiterating-bolt-mh3.md) — Sorcery

## Printing Details
- **Set:** Guildpact (GPT) #37
- **Rarity:** Uncommon
- **Artist:** Hideaki Takamura
- **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`