"Ninth Edition", +m/(cards\sin\s.*hand|each\scard\sin\syour\shand)/, +!hellbent (3)
Maro's power and toughness are each equal to the number of cards in your hand.
Sudden Impact deals damage to target player equal to the number of cards in that player's hand.
At the beginning of each player's draw step, that player puts the cards in their hand on the bottom of their library in any order, then draws that many cards.
Gatherer works better in the Companion app!