msem-instigator

{1}, {T}: Tap target creature. Rising Sun Ascetic deals 1 damage to that creature's controller.

Whenever a land you control enters, untap Ageless Wanderer.
{1}, {T}: Add one mana of any color.

{2/R}{2/R}: Churning Rough-Roller gets +1/+1 and gains double strike until end of turn.

{T}: Add {C}.
{T}, Pay 1 life: Add one mana of any color.

Reclusive Copse enters tapped.
{T}: Add {B} or {G}.
{1}{B}{G}: Until end of turn, Reclusive Copse becomes an Insect creature with deathtouch in addition to its other types.
Scavenge {B}{G}

When Restless Explorer enters, search your library for a land card, reveal it, put it into your hand, then shuffle.

As The Mistake enters, choose a card name.
Activated abilities of sources with the chosen name can't be activated unless they're mana abilities.
Unveil {5} ({5}: Transform this. Unveil only as a sorcery.)

Menace (This creature can't be blocked except by two or more creatures.)
Whenever Weedy Whackers attacks, create a 1/1 green Insect creature token that's tapped and attacking.

When Almgrove Librarian enters, look at the top card of each of your libraries, then for each of those cards, put it on the top or bottom of one of your libraries.

Transcend (Activate as a sorcery to gain the next type and a +1/+1 counter.)
Flying
{1}{W}: Demigod — Return up to one target creature card with mana value 2 or less from your graveyard to the battlefield.
{3}{W}: God — Put a +1/+1 counter on each creature you control with the least power among creatures you control.

Permanents entering the battlefield don't cause abilities of permanents to trigger.

When Confident Traveler dies, create a 1/1 white Human creature token. If Confident Traveler was sacrificed, create two of those tokens instead.

When Confining Priest enters, exile another target creature with power 4 or less an opponent controls until Confining Priest leaves the battlefield. (That creature returns under its owner's control.)

Flying
Other Spirits you control get +1/+1.
Whenever a Spirit you control attacks, you gain 1 life.

Sacrifice Devoted Dancer: Target creature gains indestructible until end of turn. If it's your turn, shuffle Devoted Dancer into its owner's library.

Whenever Distracting Performer becomes tapped, you may tap target creature.

{1}, {T}, Move a -1/-1 counter from another creature onto Dockside Healer: You gain 2 life.

Lifelink
If you would gain life, you gain that much life plus 1 instead.

Resolute — At the beginning of combat on your turn, East Ward Halberdier gains double strike until end of turn if its power is greater than its base power.

Flying
When Elder Roc enters, nourish 1. (To nourish 1, either put a +1/+1 counter on this creature or create a 1/1 white Citizen creature token.)

Whenever Essence Rehabilitator perseveres, you may return target permanent card with mana value 2 or less from your graveyard to the battlefield. (A creature perseveres when it survives damage.)

Whenever Field Chaplain perseveres, you gain 3 life. (A creature perseveres when it survives damage.)

When Goldengrain Alseid enters, you may search your library for a basic Plains card, reveal it, put it into your hand, then shuffle.

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

Whenever you scry, you gain 1 life for each card you looked at while scrying this way.