msem-instigator

Search your library for a legendary creature card, reveal it, put it into your hand, then shuffle. Then if this spell was foretold, you may put a creature card from your hand onto the battlefield.
Foretell {4}{G}{G}{W} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Create a 1/1 white Peasant creature token if you control a Citizen or Peasant. Then Byron's Reprisal deals damage equal to the number of creatures you control to up to one target creature or planeswalker.

Whenever another creature you control enters, this creature gets +1/+1 until end of turn. The first time each turn a nontoken Citizen or Peasant entering causes this ability to trigger, instead create a 1/1 white Peasant creature token.

Whenever another creature you control enters, you gain 1 life.

Vigilance
Whenever one or more cards leave your graveyard, surveil 1.

First strike
Whenever a card leaves your graveyard, you may pay {2}{R}. If you do, this creature deals 2 damage to any target.

This creature gets +1/+0 and has indestructible as long as another Knight or Soldier entered under your control this turn.

Exile target artifact or creature.

Flash
Flying
When this creature enters, it seeks valor. (Give it that Oath Aura. Fulfill it by it dealing combat damage to a player to create a 2/1 white Soldier token.)

Flash
Flying
{U}, Sacrifice this creature: Counter target noncreature spell unless its controller pays {2}.

Enchant creature
When this enchantment enters, surveil 2.
Enchanted creature gets +2/+2 and has lifelink.

This creature's power and toughness are each equal to the number of creatures you control.
Arise {3}{W} ({3}{W}, Exile this from your graveyard as a sorcery: Create a black token copy of it that's also a Zombie and can't block.)

When this creature enters, create a 1/1 white Bird creature token with flying.
{3}{W}, Exile this card from your graveyard: Create a 1/1 white Bird creature token with flying. Activate only as a sorcery.

Destroy target enchantment or Zombie.
Cycling {W} ({W}, Discard this card: Draw a card.)

Flying
When this creature enters, return target creature card with flying from your graveyard to your hand.

When this creature enters, look at target opponent's hand. You may exile a nonland card from it. For as long as that card remains exiled, its owner may play it. A spell cast this way costs {2} more to cast.
Arise {2}{W}{W} ({2}{W}{W}, Exile this from your graveyard as a sorcery: Create a black token copy of it that's also a Zombie and can't block.)

Whenever this creature enters or attacks, create a 2/1 white Soldier creature token. Exile up to one target nonland permanent with mana value 3 or less an opponent controls until that token leaves the battlefield.
Other permanents you control have ward {1}.

Return target creature card from your graveyard to the battlefield if its mana value is 3 or less or if this spell was foretold.
Foretell {3}{W} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Whenever you attack with two or more Knights and/or Soldiers, you may have one of them seek valor. (Give it that Oath Aura. Fulfill it by it dealing combat damage to a player to create a 2/1 white Soldier token.)

When this creature enters, if you gained or lost life this turn, it seeks valor. (Give it that Oath Aura. Fulfill it by it dealing combat damage to a player to create a 2/1 white Soldier token.)

Lifelink
When this creature enters, put a -1/-1 counter on a creature you control.

Exile target card from a graveyard. If this spell was foretold, create a 2/1 white Soldier creature token.
Draw a card.
Foretell {W} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Whenever you attack, you gain 1 life for each attacking creature.
{5}{W}: Put a -1/-1 counter on target tapped creature. This ability costs {X} less to activate, where X is the amount of life you gained this turn.

Siphon (Each -1/-1 counter you put on your creatures up to their remaining toughness while casting this pays for {1}.)
When this enchantment enters, exile target nonland permanent an opponent controls until this enchantment leaves the battlefield.

Whenever this enchantment enters or one or more cards leave your graveyard, create a 2/2 black Zombie creature token.
{1}{W}, Discard a card: Tap target nonland permanent and put a stun counter on it. It loses all abilities for as long as it remains tapped.