Not really a proofread book

Devoid
Equipped creature is a blue Bookreader in addition to its other colors and creature types, gets -1/+3 for every artifact or non-creature token you have, and has Flying and {t}:Tap a random non-artifact creature and flip a coin. Give it a stun token if heads or +1/-1 if tails
Equip blue creature {u}
Equip {t}{u}{u}{2}

“Even us scholars need someone to proofread our books, sometimes no-one other than us can make heads nor tails out of it”-Hejgam, Phyrexian Scholar