Ishitai, the Eternal

+1: Reveal the top card of your library, you may draw that card or discard it. If you discard it put a +1/+1 counter on each creature you control.
-1: Ishitai becomes a 4/4 artifact samurai creature with Bushido 1 that's still a planeswalker. If Ishitai gains loyalty this ability deactivates.
-4: You get an emblem with"If Ishitai leaves the battlefield, return it during the next upkeep as a 10/10 human samurai that's still a planeswalker.