---
name: "Undergrowth"
mana_cost: "{G}"
cmc: 1
type_line: "Instant"
colors: ["G"]
color_identity: ["G", "R"]
keywords: []
set: "ALL"
set_name: "Alliances"
collector_number: "102b"
rarity: "common"
artist: "Pat Lewis"
oracle_id: "f125b6b0-c5ff-44d1-bf99-ebc537d37fc3"
canonical_url: "https://avascry.com/printing/undergrowth-all"
legalities:
  commander: "legal"
  standard: "not_legal"
  modern: "not_legal"
  pioneer: "not_legal"
  legacy: "legal"
  vintage: "legal"
  pauper: "legal"
  penny: "not_legal"
---

# Undergrowth
- **Mana Cost:** `{G}` (CMC: 1)
- **Type:** Instant

## Oracle Text
As an additional cost to cast this spell, you may pay {2}{R}.
Prevent all combat damage that would be dealt this turn. If this spell's additional cost was paid, this effect doesn't affect combat damage that would be dealt by red creatures.

## Top 4096-Dim Neural Synergies
1. [Boros Fury-Shield](/printing/boros-fury-shield-rav.md) — Instant
2. [Root Snare](/printing/root-snare-rna.md) — Instant
3. [Subdue](/printing/subdue-leg.md) — Instant
4. [Hunter's Ambush](/printing/hunters-ambush-plst.md) — Instant
5. [Azorius Ploy](/printing/azorius-ploy-dis.md) — Instant
6. [Serene Sunset](/printing/serene-sunset-jud.md) — Instant

## Printing Details
- **Set:** Alliances (ALL) #102b
- **Rarity:** Common
- **Artist:** Pat Lewis
- **Total Printings:** 12 across all historical editions

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