Decisive Denial does a great job at making both Rabid Bite and Spell Pierce playable, and it does so by relying on ones abilities to be relevant when the other isnt
Kaito, Bane of Nightmares Two generic, one blue, one black legendary Planeswalker Ninjutsu: One generic, one blue, one black (One generic, one blue, one black, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.) During your turn, as long as Kaito has one or more loyalty counters on him, he's a 3/4 Ninja creature and has hexproof
The idea of this deck is to play Demonic Pact or Greed's Gambit and then use Stiltzkin, Moogle Merchant or Harmless Offering to donate them to our opponent
Stroke of Genius is a card that makes this type of gameplay easier than it should be
A solid disenchant that can also block well if you dont need to use the disenchant mode
If you like durdly 4-card combos then toss Myr Moonvessel into your Koll, the Forgemaster deck with Goblin Bombardment and an equipment you can equip for 0, like Shuko