Flames of the Blood Hand deals 4 damage to target player or planeswalker. The damage can't be prevented. If that player or that planeswalker's controller would gain life this turn, that player gains no life instead.
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.
All Spirits have "When this permanent enters, you may have it deal 3 damage to target non-Spirit creature."Non-Spirit creatures have "When this creature enters, you may have it deal 3 damage to target Spirit creature."
Goblin offering (You may cast this spell any time you could cast an instant by sacrificing a Goblin and paying the difference in mana costs between this and the sacrificed Goblin. Mana cost includes color.)Whenever Patron of the Akki attacks, creatures you control get +2/+0 until end of turn.
Whenever equipped creature deals damage to a creature, tap that creature. That creature doesn't untap during its controller's untap step for as long as Neko-Te remains on the battlefield.Whenever equipped creature deals damage to a player, that player loses 1 life.Equip
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.
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.
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.)
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.
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.
Enchant land: Enchanted land becomes a legendary 8/12 Spirit creature with trample until end of turn. It's still a land.When enchanted land is put into a graveyard, you may return Genju of the Realm 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.
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.
You and target opponent each gain control of all creatures the other controls until end of turn. Untap those creatures. Those creatures gain haste until end of turn.
Ninjutsu (, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)Whenever Walker of Secret Ways deals combat damage to a player, look at that player's hand.: Return target Ninja you control to its owner's hand. Activate only during your turn.
Ninjutsu (, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)Whenever Ninja of the Deep Hours deals combat damage to a player, you may draw a card.
Defender (This creature can't attack.)Whenever Kaijin of the Vanishing Touch blocks a creature, return that creature to its owner's hand at end of combat. (Return it only if it's on the battlefield.)
Equipped creature gets +2/+1.Whenever a creature you control enters, attach Ronin Warclub to that creature.Equip (: Attach to target creature you control. Equip only as a sorcery.)