Betrayers of Kamigawa

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. S...

{2}, {T}: Target opponent exiles the top card of their library. You may play that card this turn.

Permanents enter tapped.

Defender (This creature can't attack.) Bushido 1 (Whenever this creature blocks or becomes blocked, it gets +1/+1 until end of turn.) {T}: The next...

Ninjutsu {3}{B} ({3}{B}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)...

Whenever a player casts a spell, tap this creature.

Whenever this creature attacks, it gains "this creature can't be blocked" until end of turn unless defending player sacrifices a creature of their ...

You may exile a green card with mana value X from your hand rather than pay this spell's mana cost. You gain X life.

Ninjutsu {1}{U} ({1}{U}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)...

Sacrifice this creature: Destroy target Ninja.

Whenever equipped creature deals damage to a creature, tap that creature. That creature doesn't untap during its controller's untap step for as lon...

Sacrifice this creature: Target creature you control gains protection from the color of your choice until end of turn. Soulshift 3 (When this creat...

Ninjutsu {U} ({U}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.) Whene...

The "legend rule" doesn't apply.

Counter target spell. That spell's controller reveals their hand, then discards each card with the same name as a card spliced onto that spell.

{X}, {T}: Target creature with power X or less can't be blocked this turn.

Prevent the next 4 damage that would be dealt to any target this turn.

{T}: This creature deals 1 damage to target creature with flying. Whenever this creature deals damage to a creature, tap that creature and it doesn...

Enchant creature You control enchanted creature. At the beginning of the end step, if you control no Demons, sacrifice this Aura.

Enchant creature Enchanted creature has "Whenever this creature deals combat damage to a player, add that much {G}. Until end of turn, you don't lo...

{1}{R}: Switch each creature's power and toughness until end of turn.

Whenever you cast a Spirit or Arcane spell, you may put a land card from your hand onto the battlefield tapped.

{T}, Sacrifice three Spirits: Search your library for a legendary Spirit permanent card, put it onto the battlefield, then shuffle.

Whenever a land enters, you may gain 1 life.