Flusterstorm

1cmc blue instant that soft-counters an instant or sorcery unless the controller pays {1}, then copies itself for each prior spell this turn via Storm — making it nearly uncounterable in a high-storm-count turn. Signature in cEDH and optimized control/combo where storm count reliably reaches 3+, rendering the tax impossible to pay on all copies simultaneously. Too narrow and low-impact in casual or low-density spell environments (fringe in Limited). Bracket 4-5 only: the fast-mana and spell-density required to make Flusterstorm a hard lock are cEDH hallmarks.

• Flusterstorm's storm copies also have the soft-counter effect, meaning if storm count is 3 the opponent must pay {1} three times (3 mana total) to counter all copies — making it effectively a hard counter mid-to-late in a combo turn.

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• Flusterstorm only hits instant and sorcery spells, making it a dead card against creature/artifact/enchantment combo lines and irrelevant on its own in creature-heavy metas.

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• In cEDH, Flusterstorm is often held specifically to break up opposing Tendrils of Agony or Ad Nauseam chains, not just as a general counterspell — its value is highly meta-dependent on spell-based combo prevalence.

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• EDHREC rank: #310