msem-instigator

Put a +1/+1 counter on target creature and a +1/+1 counter on up to one target Citizen or Peasant.

Other creatures you control get +1/+1.
As long as Nobility is in your graveyard and you control a white enchantment, creatures you control get +1/+1.

Enchant creature
Enchanted creature gets +3/+3.
Whenever enchanted creature attacks, you may put a creature card with mana value 2 or less from your hand or graveyard onto the battlefield tapped and attacking.

Exile target creature. Each player gains life equal to that creature's toughness.
Metamorph {W} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up and cast it at any time for its metamorph cost.)

When Noble Pridelord enters the battlefield, creatures you control get +1/+1 until end of turn.

Flying
Whenever another creature enters the battlefield, you gain 1 life.

This spell costs {X} less to cast, where X is half the number of creatures on the battlefield, rounded down.
Destroy all creatures.

When North Ward Settler enters the battlefield, choose one —
• Create a 1/1 white Dwarf creature token.
• Put a +1/+1 counter on North Ward Settler.

As long as it's not your turn, Northrime Amalgam gets -2/+2.

When Norwick Barkeep enters the battlefield, target creature you control gets +1/+1 and gains vigilance until end of turn.

Prowess
Whenever you cast a noncreature spell, Noxan Pilgrim gains lifelink until end of turn.

Flash
When Nurse Trainee enters the battlefield, you may prevent the next 2 damage that would be dealt to another target creature this turn.

Whenever an enchantment enters the battlefield under your control, draw a card. This ability triggers only once each turn.
As long as you control three or more enchantments, Nykthos Enchantress gets +2/+2 and has vigilance.

This spell costs {1} less to cast for each enchantment you control.
Destroy all creatures.

Flash
Enchant creature
Enchanted creature gets +2/+2.

Defender, first strike
{1}{G}: Oaken Spearman can attack this turn as though it didn't have defender.

When Oathkeeper's Verdict enters the battlefield, tap all creatures your opponents control.
Equipped creature gets +3/+3.
Equip {3}

Tribute 2 (As this creature enters the battlefield, an opponent of your choice may put two +1/+1 counters on it.)
When Observing Guardian enters the battlefield, if tribute wasn't paid, create a 2/2 white Cat creature token.

Motley — At the beginning of combat on your turn, if there are five or more names among nonland permanents you control, Ochre Knight gets +2/+1 until end of turn and you gain 1 life.

Exile up to two target creatures controlled by different players. Return those creatures to the battlefield under their owners' control at the beginning of the next end step.

Flying
When Old-World Forgotten dies, you may return target artifact or enchantment card from your graveyard to your hand.

Flying
At the beginning of your end step, untap target permanent you control.

At the beginning of your upkeep, create four 1/1 blue Elemental creature tokens with flying. You gain 4 life.
{2}{W}, Discard Olten's Farewell: Create two 1/1 blue Elemental creature tokens with flying. You gain 2 life.

Rhapsody {5}{W}{W} (Pay {5}{W}{W} to cast this as a 4/4, or as a sorcery to make it become a 4/4.)
Whenever Oltenen Paradise-Seeker attacks, up to one target creature's base power and toughness each become equal to Oltenen Paradise-Seeker's power and toughness until end of turn.

Exile target creature or enchantment you control, then return that card to the battlefield under your control.
You may cast On Repeat from your graveyard any time you could cast a sorcery by discarding a land card in addition to paying its other costs.