Exalted
{2}{W}: Target attacking creature gains double strike until end of turn.
{2}{B}: Target attacking creature gains indestructible until end of turn.

Flash
When Narzi, Hero of the Mokar enters, up to one other target creature gets +1/+1 and gains indestructible until end of turn. If she wandered, other creatures you control get +1/+1 and gain indestructible until end of turn instead.
Wander {4}{W}{W}

Ninjutsu {3}{U}{U}
Flying
Whenever this creature deals combat damage to a player, create a token that's a copy of target attacking creature you control that entered this turn.

Nebulous Ring enters tapped.
{T}: Add {C} or {W}.
{1}, Discard Nebulous Ring: Scry 2.

Counter target noncreature spell.

Neglected Slums enters tapped.
{T}: Add {R} or {G}.
{4}: Make a pledge. Activate only as a sorcery.

Neo Stehlia enters tapped unless you control a basic non-Plains land.
{T}: Add {W}.
{2}{W}, {T}: Choose a creature type. Creatures you control of the chosen type get +1/+0 until end of turn.

Flying
Neotech Exploiter gets +2/+0 for each permanent you control but don't own.

Flying
Whenever you gain control of a permanent you don't own or a permanent you don't own enters under your control, create a token that's a copy of it. Sacrifice the token at beginning of your next turn's end step.

Flying
Creatures you control but don't own get +1/+1 and have flying.
Whenever a creature you control deals combat damage to a player, you may return it to its owner's hand.

Whenever Neotech Skyguard attacks, it gains flying until end of turn. If you control a permanent you don't own, it also gets +1/+1 until end of turn.

Trample, ward {4}
Equipped creature gets +4/+4 and has trample and ward {4}.
Equip {4}
Spellcharge 8

When this creature enters, create a 1/1 white Monk creature token with vigilance.
Flow — {3}{U}: This creature can't be blocked this turn.

Favored
Whenever your Champion attacks, creatures you control with power 4 or greater get +1/+1 and gain trample until end of turn.

Nessian Woods enters tapped.
{T}: Add {R} or {G}.
{6}{R/G}: Nessian Woods becomes a 5/4 red and green Dryad creature with trample until end of turn. It's still a land. This ability costs {X} less to activate, where X is your devotion to red and green. Activate only once each turn.

Creatures you control with counters on them have all activated abilities of other creatures you control with counters on them.
{1}, {T}: Teach target creature vigilance.

New Recruit has first strike as long as it is attacking.
When New Recruit dies, create a 2/2 black Zombie creature token.

Pay 1 life: This creature gets +1/+0 until end of turn. Activate only once each turn and only as a sorcery.
When this creature dies, if its power was 2 or greater, create a Treasure token.

When Night Squad enters, teach target creature menace. If you put a +1/+1 counter on it this way, it can't be blocked this turn.

Whenever another creature you control enters, you gain 2 life.

Enchant creature you control
All damage that would be dealt to you is dealt to enchanted creature instead.
If a source would deal damage to enchanted creature, if you control three or more enchantments, prevent 1 of that damage.

Flash
Lifelink
When Nikon, Skophos Protector enters, the next time a source of your choice would deal damage to you or a permanent you control this turn, prevent that damage. If damage is prevented this way, Nikon deals that much damage to that source's controller.

Ninjutsu {2}{G}{U}
You may pay {0} rather than pay the ninjutsu cost of the first ninjutsu ability you activate each turn.

Flying
Amity — Whenever you attack with Nimbus Dragon and exactly one other creature, tap target creature defending player controls.

Nimbus of Thought enters tapped.
{T}: Add {U} or {R}.
{4}{U/R}: Until end of turn, Nimbus of Thought becomes a 3/3 blue and red Elemental creature with “Whenever this creature becomes tapped, you may discard a card. If you do, draw a card.” It's still a land. This ability costs {X} less to activate, where X is your devotion to blue and red. Activate only once each turn.