Mirrorshell Crab

{5}{U}{U} · Artifact Creature — Crab

Ward {3} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {3}.) Channel — {2}{U}, Discard this card: Counter target spell or ability unless its controller pays {3}.

Rulings (3)

Feb 18, 2022 · If a channel ability requires a target, you may not activate it without a target just to discard the card.

Feb 18, 2022 · Discarding the card is part of the cost to activate a channel ability.

Feb 18, 2022 · If a player casts a spell that targets multiple permanents their opponent controls with ward, each of those ward abilities will trigger. If that player doesn't pay for all of them, the spell will be countered.

LegacyLegal

VintageLegal

ModernLegal

PioneerLegal

StandardNot legal

PauperLegal

PremodernNot legal

cEDHLegal

Where it’s played now

Inclusion by archetype · Pauper

% of archetype's lists running it · last 30 days · n=14 decks

Archetype	Format	Inclusion	Copies	Decks (n)
Walls	Pauper	44.4%	1×	9
Sultai Ephemerate	Pauper	20%	1×	5

Data as of Jun 14, 2026 · MTGO + papercasthaven.com

Price