msem-instigator

Put a +1/+1 counter on each creature you control. Until end of turn, creatures you control gain vigilance and “When this creature dies, create a 1/1 white Human creature token.”

When Long Journey enters, exile target creature or planeswalker an opponent controls until Long Journey leaves the battlefield.

Target creature gets +2/+2 until end of turn. Untap it.

When Lumen Cell enters, create two 1/1 white Human creature tokens and you gain 2 life.
{1}{W}: Search your library for a card named Lumen Cell, reveal it, put it into your hand, then shuffle. Activate only as a sorcery.
{6}{W}{W}{W}: You win the game. Activate only as a sorcery and only if you control four or more permanents named Lumen Cell.

Flying
Whenever you attack, create two 1/1 white Human creature tokens that are tapped and attacking. Creatures you control get +1/+1 until end of turn.
Fleeting {2}{W}{W} (You may cast this spell for its fleeting cost. If you do, sacrifice it at the beginning of the next end step.)

When Militant Arms enters, create a 1/1 white Human creature token, then attach Militant Arms to it.
Equipped creature gets +2/+1.
Equip {3}

Choose one —
• Exile target permanent you control, then return that card to the battlefield under its owner's control.
• Return target permanent you control to its owner's hand. Draw a card.

Destroy target creature with power 4 or greater. (You need a target to cast this spell.)
Tap up to two target creatures.

When Pious Warden enters, choose one —
• Exile target creature you don't control until Pious Warden leaves the battlefield.
• Destroy target enchantment.
• You gain 5 life.

Flying
Whenever a creature you control attacks alone, choose one —
• Exile target creature with power less than that creature's power.
• Put two +1/+1 counters on that creature.
• That creature gains first strike and lifelink until end of turn. Untap it.

Flash
Creatures your opponents control have base power and toughness 1/1.
Fleeting {1}{W}{W} (You may cast this spell for its fleeting cost. If you do, sacrifice it at the beginning of the next end step.)

Choose up to two target permanent cards in your graveyard with total mana value 4 or less. Return one to the battlefield and the rest to your hand.

You may cast this spell as though it had flash by sacrificing a creature in addition to its other costs.
Destroy up to four target tapped creatures.

When Rigid Conformist enters, for each {W} spent to cast it, create a 1/1 white Human creature token.
Each creature you control gets +2/+2 if you control another creature with the same name as that creature.

Defender, flying
Ruins Guardian can attack as though it didn't have defender as long as a creature died under your control this turn.
Whenever Ruins Guardian attacks, you may exile two creature cards from your graveyard. If you do, draw a card.

Players can cast spells only during their own turns.
Each player can't cast more than one spell each turn.

When Suburban Farmer enters, you may search your library for a basic Plains card, reveal it, put it into your hand, then shuffle.
When Suburban Farmer dies, you gain 3 life.

Destroy target creature, enchantment, or planeswalker. Its controller draws a card unless a creature died under your control this turn.

Tracking Party enters with a +1/+1 counter on it.
{T}, Remove a +1/+1 counter from Tracking Party and exert it: Destroy target artifact or enchantment. (An exerted creature won't untap during your next untap step.)

Flying
Whenever Venerated Sanctity deals combat damage to a player, put a faith counter on it. Then you may pay {X}{W} and sacrifice Venerated Sanctity. When you do, exile target nonland permanent with mana value less than or equal to X plus the number of faith counters on Venerated Sanctity.

Wary Rider has first strike as long as its attacking.
Wary Rider gets +1/+0 as long as you control two or more other creatures.

{T}, Exert Weary Border Guard: Tap target creature. (An exerted creature won't untap during your next untap step.)

Flash
Whenever Whimsical Dancer enters or is exerted, target creature gets +1/+0 and gains first strike until end of turn.
You may exert Whimsical Dancer as it attacks. (An exerted creature won't untap during your next untap step.)

Flying
When Yielder of Ambition enters, target creature gets +2/+2 until end of turn.
Fleeting {W} (You may cast this spell for its fleeting cost. If you do, sacrifice it at the beginning of the next end step.)

Enchant creature
When Anxious Worries enters, tap enchanted creature.
Enchanted creature doesn't untap during its controller's untap step.