msem-instigator

Enchant creature
Enchanted creature gets +2/+2 and has vigilance.
Sacrifice Spirit Guidance: Exile enchanted creature, then return it to the battlefield under its owner's control.

Lifelink
Revive {W} ({W}, Exile this card from your graveyard: Create a token that's a copy of it except it has no mana cost. Revive only as a sorcery.)

Counter target spell. If that spell is countered this way, exile it and its controller's graveyard.

Whenever a land enters the battlefield under your control, target creature gains your choice of flying or lifelink until end of turn.

Flying
At the beginning of your draw step, if Spirit of the Mountains is tapped, put three +1/+1 counters on it.

If an effect would create one or more tokens, it creates twice that many of those tokens instead.
If an effect would put one or more counters on a permanent, it puts twice that many of those counters on that permanent instead.

Once each turn, when you activate a nonmana ability, you may gain 1 life and draw a card.
{2}{W}{U}: You may tap or untap target creature or artifact.

Whenever Spiritual Heir deals combat damage to a player, you may search your library for a card named Spiritual Heir, reveal it, put it into your hand, then shuffle.

Whenever you gain life, put a +1/+1 counter or loyalty counter on up to that many target permanents.
Whenever you cast a white spell, create a 1/1 white Cleric creature token with lifelink.

Flying
Whenever another creature you control dies, creatures you control get +1/+1 until end of turn.

Target creature gains flying, double strike, and lifelink until end of turn.

Splintering Hail deals 5 damage divided as you choose among any number of target blocking creatures.

Shimmer (Whenever this creature attacks, create a tapped and attacking token that's a copy of it. Exile the token at the beginning of the end step.)

Flying
Shimmer (Whenever this creature attacks, create a tapped and attacking token that's a copy of it. Exile the token at the beginning of the end step.)

When Spoiled Prince enters the battlefield, each player sacrifices a creature with the greatest power among creatures they control.

Golden age (If you cast an instant or sorcery spell, activated a nonmana ability, and attacked this turn, enter a renaissance for this game.)
{3}{W}: You gain 1 life.
Sponsor of the Folded Fan gets +2/+0 as long as you're in a renaissance.

Germinate three times. (To germinate, put a +1/+1 counter on a creature or create a 1/1 green Saproling creature token.)

Enchant creature
When Sporeflow Mantle enters the battlefield, germinate. (Put a +1/+1 counter on a creature or create a 1/1 green Saproling creature token.)
Enchanted creature has vigilance.

Whenever Sporeflow Propagator or another nontoken creature enters the battlefield under your control, germinate. (Put a +1/+1 counter on a creature or create a 1/1 green Saproling creature token.)

Tap up to two target creatures. Germinate. (Put a +1/+1 counter on a creature or create a 1/1 green Saproling creature token.)

Enchant creature
When Sprawled Arming enters the battlefield, put a +1/+1 counter on enchanted creature.
Enchanted creature has first strike.
{5}: Return Sprawled Arming to its owner's hand.

Distorted (This creature can be blocked by tapped creatures but not untapped creatures.)
Shimmer (Whenever this creature attacks, create a tapped and attacking token that's a copy of it. Exile the token at the beginning of the end step.)

Experience (Whenever this creature attacks, if it has fewer than three +1/+1 counters on it, put a +1/+1 counter on it.)
Whenever a +1/+1 counter is put on a creature you control, target creature gains trample until end of turn.

Whenever a creature enters the battlefield under your control, if you didn't cast it from your hand, put a +1/+1 counter on it.
{3}{W}: Exile target creature you control, then return it to the battlefield under its owner's control.

This spell has flash as long as you control a Monk.
When Ssytai enters the battlefield, return target spell or creature you don't control to its owner's hand.