Anrakyr the Traveller Like I said earlier, needing to attack to trigger is really not what you want to be doing
Needless to say, this absolutely nails the feeling of leveling up your characters with better Equipment and materia
Even the Score offers an incredibly discount on this rate so long as one of your opponents is drawing a bunch themselves
Kaervek can target multicolored cards in your graveyard, so long as they're at least black in addition to their other colors
Then you can discard two cards at the beginning of your first main phase to return this to your hand from your graveyard, which is card disadvantage naturally but with madness, lands, discard triggers like Archfiend of Ifnir, and loads more, it's got value
Hive of the Eye Tyrant turns into a 3/3 beholder with some evasion and graveyard hate for 4 mana