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Rules guide · Artifact Creature

Spinal ParasiteHow it works & interactions with other cards

By the ManaCount desk· 2 min read· Fifth Dawn· June 4, 2004
Carte Magic Spinal Parasite

Spinal Parasite is one of those cards players keep asking about. Here is, in plain words, what its official text says, the rulings published by Wizards of the Coast, and the combos players actually run.

01

Official card text

Sunburst (This creature enters with a +1/+1 counter on it for each color of mana spent to cast it.) Remove two +1/+1 counters from this creature: Remove a counter from target permanent.

Complete guide

Spinal Parasite is a unique artifact creature from the Fifth Dawn set that highlights the power of Sunburst. While it features a rare negative base power and toughness of -1/-1, it serves as a versatile tool for managing counters across the battlefield.

Understanding Sunburst and Stats

Spinal Parasite enters the battlefield with a +1/+1 counter for each color of mana spent to cast it. Because its base stats are -1/-1, it needs at least two colors of mana to survive as a 1/1 creature. If you spend all five colors, it becomes a 4/4. This unusual math is essential for keeping the insect alive long enough to use its ability.

Resolving the Ability

To activate its ability, you must remove two +1/+1 counters from Spinal Parasite as a cost. Upon resolution, you choose one counter of any type on the target permanent and remove it. Note that the target does not need to have counters on it to be targeted, though nothing will happen if it is empty when the ability resolves.

Common Pitfalls

A common mistake is forgetting that Spinal Parasite will die if its toughness hits 0 or less due to state-based actions. If you remove two counters to activate its ability and that leaves it with zero or fewer counters, it will be put into the graveyard before the ability even resolves. Additionally, as the controller of the ability, you choose which specific counter is removed from the target, not your opponent.

When to Deploy

Spinal Parasite is most effective in decks that can easily produce three or more colors of mana. It acts as a specialized removal tool for problematic counters like Poison counters on players (if they were permanents), Loyalty counters on Planeswalkers, or +1/+1 counters on an opponent's commander.

Interaction examples

Fixing Mana with Simulacrum

You cast Solemn Simulacrum to find a basic Mountain, adding a third color to your pool. When you later cast Spinal Parasite using Blue, Green, and Red mana, the Sunburst ability sees three colors. Spinal Parasite enters with three +1/+1 counters, making it a 2/2 creature ready to use its ability once.

Double Trigger Interaction

If you cast Roaming Throne and choose 'Insect', you might expect Spinal Parasite to get extra counters. However, Sunburst is a replacement effect, not a triggered ability (it uses 'as' or 'enters with', not 'when' or 'whenever'). Therefore, Roaming Throne does not cause Spinal Parasite to enter with additional counters.

Guide written with AI from the official text and rulings. Official English text prevails.

How it works : Spinal Parasite

Original English text — Wizards of the Coast / Scryfall

  1. #1· Wizards of the Coast

    If Spinal Parasite is a 1/1 because it has two +1/+1 counters on it, you can remove both counters to pay for its activated ability.

    No other card is named in this ruling.

  2. #2· Wizards of the Coast

    Any permanent is a legal target for Spinal Parasite’s ability, not just one with a counter on it. The player who controls Spinal Parasite chooses which counter to remove from the targeted permanent.

    No other card is named in this ruling.

  3. #3· Wizards of the Coast

    Yes, this card’s base power/toughness is -1/-1. If it has five +1/+1 counters on it, it’s a 4/4 creature.

    No other card is named in this ruling.

02

Legal formats

modernlegacyvintagepennycommanderoathbreakerduelpredh
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