Kaito Shizuki

At the beginning of your end step, if Kaito Shizuki entered the battlefield this turn, he phases out. [+1]: Draw a card. Then discard a card unless you attacked this turn. [-2]: Create a 1/1 blue Ninja creature token with "This creature can't be blocked." [-7]: You get an emblem with "Whenever a creature you control deals combat damage to a player, search your library for a blue or black creature card, put it onto the battlefield, then shuffle."