Quick Answer

Erratic Cyclops is a rare Creature — Cyclops Shaman from C21 (C21) costing {3}{R}. Current price: $0.1 USD. Legal in Modern. Legal in Commander.

Erratic Cyclops MTG card

Erratic Cyclops

Creature — Cyclops Shaman

Card Text

Trample Whenever you cast an instant or sorcery spell, this creature gets +X/+0 until end of turn, where X is that spell's mana value.

"The League accepts no responsibility for former members and the damage they may cause." —Maree, Izzet chamberlain

Card Stats

0/8 rare CMC: 4.0 C21 C21 🎨 Milivoj Ćeran
Trample

Market Prices

TCGPlayer
$0.10
Normal
Buy
Card Kingdom
$0.49
Normal
Buy
Cardmarket
€0.13
Normal
Buy
Prices updated: 2025-12-04

Format Legality

Brawl Legal
Commander Legal
Duel Legal
Gladiator Legal
Historic Legal
Legacy Legal
Modern Legal
Oathbreaker Legal
Penny Legal
Pioneer Legal
Timeless Legal
Vintage Legal

Similar Cards

Other Printings (2 total)

Community Stats

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Decks Using This Card
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Often Played With

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Frequently Asked Questions

What is Erratic Cyclops? Basics

Erratic Cyclops is a Creature — Cyclops Shaman card from the Magic: The Gathering trading card game.

Its ability reads: "Trample Whenever you cast an instant or sorcery spell, this creature gets +X/+0 until end of turn, where X is that spell's mana value."

How much mana does Erratic Cyclops cost to cast? Basics

Erratic Cyclops has a mana cost of {3}{R}, which equals 4.0 total mana (converted mana cost/mana value).

It requires R mana to cast.

What does mana cost mean in Magic: The Gathering? Basics

Mana cost is the amount and type of mana required to cast a spell in Magic: The Gathering.

Erratic Cyclops's mana cost of {3}{R} means you need to pay that much mana from your lands or other sources.

Colored symbols (W=White, U=Blue, B=Black, R=Red, G=Green) must be paid with that specific color, while numbers can be paid with any color.

What is converted mana cost (CMC) or mana value? Basics

Converted mana cost (now officially called "mana value") is the total amount of mana in a card's mana cost, regardless of color.

Erratic Cyclops has a mana value of 4.0. This is important for effects that care about a spell's total cost, like cascade or cards that say "mana value 3 or less."

What is oracle text? Basics

Oracle text is the official, current rules text for a Magic card as maintained by Wizards of the Coast. It supersedes any printed text on older cards.

Erratic Cyclops's current oracle text is: "Trample Whenever you cast an instant or sorcery spell, this creature gets +X/+0 until end of turn, where X is that spell's mana value."

What is the current price of Erratic Cyclops? Pricing

The current market price for Erratic Cyclops is approximately $0.1 USD on TCGPlayer.

On Cardmarket (Europe), it's approximately €0.13 EUR.

Where can I buy Erratic Cyclops? Pricing

You can purchase Erratic Cyclops from major MTG retailers including:

Prices vary by condition and printing. Check multiple sellers to find the best price.

What is the difference between normal and foil cards? Pricing

Foil cards have a shiny, holographic finish that makes them more collectible. They are functionally identical to normal cards but typically cost more due to their rarity and visual appeal.

Is Erratic Cyclops legal in Standard? Legality

Format legality information for Erratic Cyclops in Standard is not available.

Standard is a rotating format that only allows cards from the most recent sets.

Is Erratic Cyclops legal in Modern? Legality

Erratic Cyclops is Legal in Modern format.

Modern includes all cards printed in a standard-legal set from 8th Edition forward.

Is Erratic Cyclops legal in Commander (EDH)? Legality

Erratic Cyclops is Legal in Commander (EDH) format.

Commander is a casual multiplayer format where you build a 100-card singleton deck around a legendary creature.

Is Erratic Cyclops legal in Pioneer? Legality

Erratic Cyclops is Legal in Pioneer format.

Pioneer is a non-rotating format that includes all standard-legal sets from Return to Ravnica forward.

Is Erratic Cyclops legal in Legacy? Legality

Erratic Cyclops is Legal in Legacy format.

Legacy allows almost all cards ever printed, with a substantial ban list for balance.

Is Erratic Cyclops legal in Vintage? Legality

Erratic Cyclops is Legal in Vintage format.

Vintage is the most permissive format, allowing almost all cards with only a minimal ban list. Some powerful cards are "Restricted" (limited to 1 copy).

Is Erratic Cyclops legal in Pauper? Legality

Format legality information for Erratic Cyclops in Pauper is not available.

Pauper only allows cards that have been printed at common rarity in a paper or online set.

What is format legality in MTG? Legality

Format legality indicates which official MTG formats allow a card to be played:

  • Legal: Card is allowed in the format
  • Banned: Card is prohibited from play
  • Restricted: Limited to 1 copy (Vintage only)
  • Not Legal: Card was never part of that format's card pool

Different formats have different banned lists based on power level and game balance.

What set is Erratic Cyclops from? Details

This printing of Erratic Cyclops is from C21 (C21), with collector number 166.

Erratic Cyclops may also appear in other MTG sets with different art or special treatments.

What is Erratic Cyclops's rarity? Details

Erratic Cyclops is a rare card in C21.

Card rarity affects both availability and price. From rarest to most common: Mythic Rare → Rare → Uncommon → Common.

Who illustrated Erratic Cyclops? Details

Erratic Cyclops was illustrated by Milivoj Ćeran.

Magic: The Gathering features artwork from hundreds of talented artists, and many cards have been reprinted with new art over the years.

What is Erratic Cyclops's power and toughness? Details

Erratic Cyclops is a 0/8 creature.

Power (0) determines how much combat damage the creature deals. Toughness (8) determines how much damage it can take before being destroyed.

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