Moderation

Rule of Law and Ethersworn Canonist wrote the one-spell-per-turn rule as a symmetric prison: both players locked down, the intended victim someone else's combo deck. This inverts that template so both halves point inward. The static clause caps you at one spell per turn; the triggered clause draws you a card whenever you cast one. Neither line reaches across the table, and that privacy is the whole design. There is no symmetry to break and no opponent forced under the lock, so the ceiling that would gut a storm or cantrip-chain deck costs the intended pilot nothing. It is a self-imposed leash tuned for a shell that never wanted more than one spell a turn anyway (a control deck holding up its single answer, a ramp deck landing one bomb, a top-of-library grinder), and it pays that deck a card for playing exactly the way it already plays. The constraint is priced into a game plan that treats it as a formality, and the cantrip trigger turns the self-tax into a slow, reliable card-advantage engine. That makes it a deckbuilding contract rather than a hate piece: the payoff belongs entirely to the player who signs a restriction they had no intention of ever violating, and the same clause that reads as a drawback on paper is a rebate for the deck built to honor it.