msem-instigator

When Ostracizer Orb enters the battlefield, exile target nonartifact, nonland permanent until Ostracizer Orb leaves the battlefield.

Create X 1/1 blue Elemental creature tokens with flying.
Augmented — If you've spent {W}{U}{B}{R}{G} to cast spells this turn, creatures you control gain haste and vigilance until end of turn.

Exile any number of target creatures you control. At the beginning of the next end step, return to the battlefield tapped each creature card exiled this way and each creature card put into your graveyard from the battlefield this turn.

Enchant player
At the beginning of enchanted player's upkeep, they tap an untapped creature they control.

Exile target creature. That creature's controller creates a 1/1 blue Elemental creature token with flying.

{1}{W}, Exile Outcast of the Folded Fan from your graveyard: Create a 1/1 white Bird creature token with flying. Activate only as a sorcery.

Outer Wall Guard enters the battlefield with a +1/+1 counter on it if you gained life this turn.

Destroy target attacking or blocking creature.

Vigilance, lifelink

Lifelink
Outskirts Provider enters the battlefield with a +1/+1 counter on it if a creature attacked this turn and wasn't blocked.

When Overgrowth Guardian enters the battlefield, germinate. (Put a +1/+1 counter on a creature or create a 1/1 green Saproling creature token.)

Enchant creature
Enchanted creature can't attack or block.

Enchant creature
Prevent all damage that would be dealt by enchanted creature.

All damage that would be dealt to target creature you control this turn is dealt to another target creature you control instead. Both those creatures get +1/+1 until end of turn.
Flashback {1}{W} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

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.)
This spell's foretell cost costs {3} less to pay if you have 5 or less life.
You gain 10 life.

Target player sacrifices an enchantment. You gain 4 life.

Each player draws two cards.
Flashback—{W}, Tap two untapped white creatures you control. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Vigilance
When Paired Pathfinders enters the battlefield, if three or more colors were spent to cast it, create a 1/1 colorless Servo artifact creature token.

{2/W}, {T}: Tap target creature.

Concord — When Palace Servant enters the battlefield, if there are four or more card types among permanents you control, create two 1/1 white Merfolk creature tokens.

When Palace Vanguard enters the battlefield, choose one —
• Create a 1/1 blue Bird creature token with flying.
• Create a 2/2 white Cat creature token.

Encourage ({T}: Another target creature you control gets +1/+1 until end of turn. Encourage only as a sorcery.)
Whenever Paladin's Attendant encourages a creature, that creature gains first strike until end of turn.

Equipped creature gets +2/+0 and has first strike.
Equip Cleric or Knight {1}
Equip {3}

Flying
Whenever Pale Courier deals combat damage to a player, it voyages. (If it isn't blocking or targeted by another spell or ability, it phases out.)
Whenever Pale Courier phases in, create a 1/1 white Dwarf creature token.

When Palesoul Mender dies, you gain life equal to its toughness.