---
name: "Tidal Influence"
mana_cost: "{2}{U}"
cmc: 3
type_line: "Enchantment"
colors: ["U"]
color_identity: ["U"]
keywords: []
set: "FEM"
set_name: "Fallen Empires"
collector_number: "28"
rarity: "uncommon"
artist: "Tom Wänerstrand"
oracle_id: "b1393388-b8b3-4c54-a086-f5e6d9908972"
canonical_url: "https://avascry.com/printing/tidal-influence-fem"
legalities:
  commander: "legal"
  standard: "not_legal"
  modern: "not_legal"
  pioneer: "not_legal"
  legacy: "legal"
  vintage: "legal"
  pauper: "not_legal"
  penny: "not_legal"
---

# Tidal Influence
- **Mana Cost:** `{2}{U}` (CMC: 3)
- **Type:** Enchantment

## Oracle Text
Cast this spell only if no permanents named Tidal Influence are on the battlefield.
This enchantment enters with a tide counter on it.
At the beginning of your upkeep, put a tide counter on this enchantment.
As long as there is exactly one tide counter on this enchantment, all blue creatures get -2/-0.
As long as there are exactly three tide counters on this enchantment, all blue creatures get +2/+0.
Whenever there are four or more tide counters on this enchantment, remove all tide counters from it.

## Top 4096-Dim Neural Synergies
1. [Homarid](/printing/homarid-fem.md) — Creature — Homarid
2. [Tidal Force](/printing/tidal-force-c13.md) — Creature — Elemental
3. [Rikala, Homarid King](/printing/rikala-homarid-king-mbc.md) — Legendary Creature — Lobster Noble
4. [Turn the Tide](/printing/turn-the-tide-cns.md) — Instant
5. [Tidal Control](/printing/tidal-control-all.md) — Enchantment
6. [Sunken City](/printing/sunken-city-me1.md) — Enchantment

## Printing Details
- **Set:** Fallen Empires (FEM) #28
- **Rarity:** Uncommon
- **Artist:** Tom Wänerstrand

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