Aidan, Mind Excoriator

+2: You get an emblem with "Each player's maximum hand size is reduced by 1."
-3: You get an emblem with "Whenever an opponent discards a card, they put the top card of their library into their graveyard."
-9: You get an emblem with "At the beginning of each end step, if you have 1 or less cards in your hand, take an extra turn after this one."