You may exile a white card with mana value X from your hand rather than pay this spell's mana cost.The next X damage that a source of your choice would deal to you and/or creatures you control this turn is dealt to any target instead.
Whenever you cast a Spirit or Arcane spell, you may search your library for an Aura card with enchant creature, reveal it, put it into your hand, then shuffle.
Reveal the top X cards of your library. Put all creature cards revealed this way into your hand and the rest on the bottom of your library in any order.
Bushido 1 (Whenever this creature blocks or becomes blocked, it gets +1/+1 until end of turn.)Whenever a creature an opponent controls dies, you may cast target instant card from your graveyard. If that spell would be put into a graveyard, exile it instead.
Create two 1/1 green Snake creature tokens.Whenever a nontoken Snake you control enters, you may return Sosuke's Summons from your graveyard to your hand.
Each player shuffles their hand, graveyard, and all permanents they own into their library, then draws seven cards. Each player's life total becomes 7.
Each time target permanent would deal damage to a permanent or player this turn, it deals double that damage to that permanent or player instead.Splice onto Arcane (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)
Bushido 1 (Whenever this creature blocks or becomes blocked, it gets +1/+1 until end of turn.)Whenever a Samurai you control dies, you may put a +1/+1 counter on Indebted Samurai.
Ninjutsu (, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)Whenever Throat Slitter deals combat damage to a player, destroy target nonblack creature that player controls.