At the beginning of each player's draw step, that player draws an additional card. Whenever an opponent draws a card, Nekusar deals 1 damage to that player.

Each player discards their hand, then draws cards equal to the greatest number of cards a player discarded this way. Cipher (Then you may exile this spell card encoded on a creature you control. Whenever that creature deals combat damage to a player, its controller may cast a copy of the encoded card without paying its mana cost.)