---
name: "Think Tank"
mana_cost: "{2}{U}"
cmc: 3
type_line: "Enchantment"
colors: ["U"]
color_identity: ["U"]
keywords: ["Surveil"]
set: "ODY"
set_name: "Odyssey"
collector_number: "104"
rarity: "uncommon"
artist: "Jim Nelson"
oracle_id: "c13b9ee5-cf4f-47bc-a6e8-1dbf98df3d9c"
canonical_url: "https://avascry.com/printing/think-tank-ody"
legalities:
  commander: "legal"
  standard: "not_legal"
  modern: "not_legal"
  pioneer: "not_legal"
  legacy: "legal"
  vintage: "legal"
  pauper: "not_legal"
  penny: "not_legal"
---

# Think Tank
- **Mana Cost:** `{2}{U}` (CMC: 3)
- **Type:** Enchantment
- **Keywords:** Surveil

## Oracle Text
At the beginning of your upkeep, surveil 1. (Look at the top card of your library. You may put that card into your graveyard.)

## Top 4096-Dim Neural Synergies
1. [Sultai Ascendancy](/printing/sultai-ascendancy-ktk.md) — Enchantment
2. [Consider](/printing/consider-dbl.md) — Instant
3. [Rummaging Wizard](/printing/rummaging-wizard-ons.md) — Creature — Human Wizard
4. [Enhanced Surveillance](/printing/enhanced-surveillance-mkc.md) — Enchantment
5. [Taigam's Scheming](/printing/taigams-scheming-ktk.md) — Sorcery
6. [Curate](/printing/curate-mkc.md) — Instant

## Printing Details
- **Set:** Odyssey (ODY) #104
- **Rarity:** Uncommon
- **Artist:** Jim Nelson
- **Total Printings:** 9 across all historical editions

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