An alternative to Force of Will could provide non-Blue decks with tools to fight the Combo menace and allow non-Blue decks to form a larger portion of the meta:

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{Phy W}
Instant

Your opponents can't cast spells this turn.

You lose 2 life. If you don't control a Plains, lose 4 life instead.
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If you have the white mana to spend, it is a worse Silence but on the Draw in your opponent's Turn 1 it'll cost you 6 life.