Erayo counters the first spell cast, and Arcane Laboratory only lets players cast one spell a turn.

Lock

Opponents can't resolve any spell for the rest of the game

Erayo, Soratami Ascendant // Erayo's Essence

Arcane Laboratory

Whenever an opponent casts their first spell each turn, Erayo's Essence triggers, countering that spell.
Because Archon of Emeria prevents players from casting more than one spell each turn, opponents cannot cast any more spells this turn.

Counter the first spell opponents cast each turn

Players can only cast one spell per turn

Archon of Emeria

Erayo counters the first spell cast, and Ethersworn Canonist only lets opponent cast one non-artifact spell a turn.

Opponents can only cast one non-artifact spell a turn if they first cast an artifact

Ethersworn Canonist

Erayo counters the first spell cast, and Rule of Law only lets players cast one spell a turn.

Rule of Law

Erayo counters the first spell cast, and Eidolon of Rhetoric only lets player cast one spell a turn.

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