---
name: "Thought Rattle"
mana_cost: "{U}{B}"
cmc: 2
type_line: "Sorcery"
colors: ["B", "U"]
color_identity: ["B", "U"]
keywords: ["Seek", "Threshold"]
set: "YBLB"
set_name: "Alchemy: Bloomburrow"
collector_number: "30"
rarity: "rare"
artist: "Michele Giorgi"
oracle_id: "c4dc8757-2b54-44ed-ba21-b3917f193085"
canonical_url: "https://avascry.com/printing/thought-rattle-yblb"
legalities:
  commander: "not_legal"
  standard: "not_legal"
  modern: "not_legal"
  pioneer: "not_legal"
  legacy: "not_legal"
  vintage: "not_legal"
  pauper: "not_legal"
  penny: "not_legal"
---

# Thought Rattle
- **Mana Cost:** `{U}{B}` (CMC: 2)
- **Type:** Sorcery
- **Keywords:** Seek, Threshold

## Oracle Text
Target opponent reveals each nonland card in their hand. You choose one of those cards. Exile that card.
Threshold — If seven or more cards are in your graveyard, seek a Rat card. It perpetually gains "This spell costs {1} less to cast."
You gain 1 life for each Rat card in your hand.

## Top 4096-Dim Neural Synergies
1. [Thought Shucker](/printing/thought-shucker-blb.md) — Creature — Rat Rogue
2. [Thoughtseize](/printing/thoughtseize-otp.md) — Sorcery
3. [Tidecaller Mentor](/printing/tidecaller-mentor-blb.md) — Creature — Rat Wizard
4. [Mindwhisker](/printing/mindwhisker-blb.md) — Creature — Rat Wizard
5. [Perish the Thought](/printing/perish-the-thought-roe.md) — Sorcery
6. [Mind Drill Assailant](/printing/mind-drill-assailant-blb.md) — Creature — Rat Warlock

## Printing Details
- **Set:** Alchemy: Bloomburrow (YBLB) #30
- **Rarity:** Rare
- **Artist:** Michele Giorgi

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