Does a player draw a card during their cleanup step if a hand size reduction effect is in play?

The cleanup step is governed by CR 514.1, which states that the active player discards cards until they have no more cards in hand than their maximum hand size. Discarding (if needed) is the only hand-size-related action that happens here — drawing is never involved.

If a hand size reduction effect is in play (for example, an effect that sets your maximum hand size to 4 instead of 7), you still only discard during cleanup. If you have 5 cards and your maximum is 4, you discard 1 card. You would never draw cards to reach a lower number, because the rule only requires discarding excess cards, not adjusting to an exact number from below.

CR 514.1 reads: 'First, the active player discards cards until their hand has no more cards than their maximum hand size (normally seven).' The word 'discards' is unambiguous — there is no draw instruction anywhere in this rule or in CR 514.

Concrete example: You control a Cursed Rack (which sets opponents' maximum hand size to 4). It is your opponent's cleanup step and they have 3 cards in hand. Even though 3 is less than their normal limit of 7 but also less than 4, they do not draw a card. They simply keep their 3 cards and the cleanup step proceeds normally per CR 514.1.

In short: the cleanup step can only reduce your hand via discarding, never increase it via drawing, regardless of what effects alter your maximum hand size.