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Spell SuckHow it works & interactions with other cards

By the ManaCount desk· 2 min read· Unstable· December 8, 2017
Carte Magic Spell Suck

Spell Suck 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

Counter target spell, then assemble a Contraption. (Put the top card of your Contraption deck face up onto one of your sprockets.)

Complete guide

Spell Suck is a fascinating counterspell from the Unstable expansion that provides both defense and industrial progress. By stopping an opponent's threat, you also get to advance your mechanical board state by assembling a Contraption. It is a dual-purpose tool that ensures your opponent's best spells never see the light of day while your machines keep humming.

Counter and Construct

Spell Suck functions primarily as a four-mana counterspell that can target any spell on the stack, regardless of its type. The unique twist is the 'assemble' mechanic: as part of the spell's resolution, you take the top card of your separate Contraption deck and place it face up onto one of your three sprockets. This sets up future triggered abilities that occur during your upkeep as the CRANK! counter moves.

Resolution Step by Step

First, you choose a target spell on the stack and pay the mana cost. Upon resolution, the target spell is moved to its owner's graveyard. Immediately after the spell is countered, you perform the 'assemble' action. You must choose one of your three sprockets (even if it already has Contraptions) and place the top card of your Contraption deck there. If the target spell becomes illegal or is removed from the stack before Spell Suck resolves, the entire spell is removed from the stack and you do not get to assemble a Contraption.

Common Pitfalls

A common mistake is forgetting that 'assemble' is not a separate trigger; it is part of the spell's effect. If Spell Suck is countered by another spell, you get nothing. Additionally, in formats where Contraption decks are legal, you must have a Contraption deck prepared to utilize the second half of the card. If your Contraption deck is empty, the spell still counters the target, but the assembly failed.

Strategic Timing

Because it costs four mana, Spell Suck is a significant investment. You should prioritize targeting high-impact spells that would otherwise break your synergy. Since assembling a Contraption adds long-term value to your board, it is often better to use this on your opponent's turn to ensure your Contraption is ready to be 'cranked' during your next upkeep phase.

Interaction examples

Blue vs. Blue Stack War

If your opponent casts a spell and you respond with Spell Suck, they might respond with Fierce Guardianship targeting your Spell Suck. If Fierce Guardianship resolves, Spell Suck is countered and moved to the graveyard. Because Spell Suck never resolved, you do not get to assemble a Contraption.

Denying Resources

An opponent casts Frantic Search to dig for answers and untap their lands. You cast Spell Suck targeting Frantic Search. When Spell Suck resolves, Frantic Search is moved to the graveyard before the opponent can draw or untap lands. Then, you look at your Contraption deck and place the top card onto Sprocket 1, 2, or 3.

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

How it works : Spell Suck

Original English text — Wizards of the Coast / Scryfall

No additional ruling has been published for this card.

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