Still there are lots of things that happen that are very beneficial during upkeep, and you could build around those, though it has the flavor of being a bit of a jerkoff deck since you're spending a lot of time on your turn planning and upkeeping and handling triggers
When it comes to such game-changing cards, it pays to think about how you might benefit the most from your choices of what to include
Mcfernis took to Blogatog yesterday to express their concerns, and received the following response from Mark Rosewater: Ninjutsu couldnt go on non-creature spells
Though it's a bit pricy to cast, Silent-Blade Oni can also be a lot of fun, as well as bring a heck of a lot of value (depending on the kind of opponent you're facing)
Mason disagreed
Gisa, the Hellraiser (Wanted Poster) is a Mythic, Legendary Creature - Human Warlock card from the Magic The Gathering set Outlaws of Thunder Junction (MTGSC-OTJ-0288)