Ruin Grinder Tying Ruin Grinders wheel effect to a death trigger makes it ineffective, but being an artifact and having mountaincycling makes it a fine tech piece for graveyard-based artifact decks, like Daretti, Scrap Savant or Osgir, the Reconstructor
His ability to use stun counters on the most important blocker also means he's going to demand a lot of respect on his own, so Blue/Black mid-range strategies may find a lot of use for Kaito
Cast that huge Torment of Hailfire in style
Negan, the Cold-Blooded
Spire Patrol has Flying and "When Spire Patrol enters the battlefield, tap target creature an opponent controls
(I dont have a copy of Doubling Season, but if you own one, or youre willing to spend $30, Id definitely include that card, too.) Overall, my Jackal deck is pretty fun to play, and Ive managed to pull off some wild tricks, including buffing my commander to 50 power and one-shotting an opponent