---
name: "Flatline"
mana_cost: "{2}{U}"
cmc: 3
type_line: "Instant"
colors: ["U"]
color_identity: ["U"]
keywords: []
set: "WHO"
set_name: "Doctor Who"
collector_number: "648"
rarity: "rare"
artist: "Filipe Pagliuso"
oracle_id: "d9c4a3ca-b966-4fd0-b189-ffbcbfb412b1"
canonical_url: "https://avascry.com/printing/flatline-who"
legalities:
  commander: "legal"
  standard: "not_legal"
  modern: "not_legal"
  pioneer: "not_legal"
  legacy: "legal"
  vintage: "legal"
  pauper: "not_legal"
  penny: "not_legal"
---

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

## Oracle Text
Creatures your opponents control have base power and toughness 0/1 until end of turn.

> *"We've found the missing people- they're in the walls!"
—The Twelfth Doctor*

## Top 4096-Dim Neural Synergies
1. [Baffling Defenses](/printing/baffling-defenses-j21.md) — Instant
2. [Serendib Sorcerer](/printing/serendib-sorcerer-plc.md) — Creature — Human Wizard Sorcerer
3. [Hysterical Blindness](/printing/hysterical-blindness-isd.md) — Instant
4. [Make Obsolete](/printing/make-obsolete-klr.md) — Instant
5. [Ovinize](/printing/ovinize-dmr.md) — Instant
6. [Flatten](/printing/flatten-dtk.md) — Instant

## Printing Details
- **Set:** Doctor Who (WHO) #648
- **Rarity:** Rare
- **Artist:** Filipe Pagliuso
- **Total Printings:** 8 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`