Leovold, Emissary of Trest

Your opponents can draw a maximum of one card each on each player’s turn. Subsequent card draws during that turn are ignored.

If an opponent hasn’t drawn any cards in a turn and a spell or ability instructs that player to draw multiple cards, that player will just draw one card. However, if the draws are optional, the player can’t choose to draw, even if they could draw one card this way.

Replacement effects (such as that of dredge or Laboratory Maniac’s ability) can’t be used to replace draws that Leovold disallows. However, if an opponent’s first draw is replaced (by a dredge ability, for example), that draw didn’t happen and Leovold won’t stop the next draw.