Kaito Shizuki (226)

At the beginning of your end step, if Kaito entered this turn, he phases out.
: Draw a card. Then discard a card unless you attacked this turn.
: Create a 1/1 blue Ninja creature token with "This token can't be blocked."
: 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."