msem-instigator

When Goldhill Guardian enters, choose a creature type.
Goldhill Guardian has protection from creatures of the chosen type. (It can't be blocked, targeted or dealt damage by creatures of the chosen type.)

Motivate 1 (When this creature enters, you may motivate target creature with less power than this by putting a +1/+1 counter on it.)
When Goriana Tactician enters, you may tap target creature.

Flash
Flying
Whenever H13 Wasp enters or you cast an another spell with flash or an instant, exile up to one target nonland permanent. Return that card to the battlefield under its owner's control at the beginning of the next end step.

Flying, lifelink

Whenever you scry, you gain life equal to the number of cards looked at while scrying this way.

Whenever a player casts a noncreature spell, create a 1/1 white Human Soldier creature token.
{1}{U}, Tap four untapped creatures you control: Counter target noncreature spell.

Flying, vigilance

Flying
Whenever Immaculate Clouddasher attacks, up to three target creatures gain flying until end of turn.

Landfall — Whenever a land you control enters, upgrade K-83 Sunshine Walker. (Give it one of the listed counters it doesn't already have.)
• +1/+1
• Flying
• Vigilance
• Lifelink

Flying
Whenever Keeper of Twisted Light attacks, you gain 3 life.

Vigilance, lifelink

Vigilance
Lijing has indestructible as long as a Fox you control entered this turn.
Whenever an opponent draws a card, draw a card unless that player has you create a 2/1 red and white Fox creature token.

Flying
Golden age (If you cast an instant or sorcery spell, activated a nonmana ability, and attacked this turn, enter a renaissance for this game.)
Lunar Flock has vigilance as long as you're in a renaissance.

When Master of Marble Row enters, choose one —
• Create a colorless Monument artifact token with “Creatures you control get +1/+1.”
• Create a white Cloister enchantment token with “When this enchantment enters, exile target nonland permanent an opponent controls until this enchantment leaves the battlefield.”

Flying
Whenever another creature you control attacks, you may pay {1}. If you do, put a +1/+1 counter on it.

Lifelink
Whenever Morning's Warden becomes the target of a spell or ability an opponent controls, exile target creature that player controls.

When Precursor Custodians enters, exile up to one target creature. As long as that card remains exiled, its owner may cast it. A spell cast this way costs {2} more to cast.

Harmony — Exile another target creature until Pretentious Performer leaves the battlefield.
When Pretentious Performer enters, harmonize. (Trigger up to one harmony of one permanent you control.)

Vigilance
Disgraced 1 (This enters with a -1/-1 counter. Whenever it deals combat damage to a player, remove all -1/-1 counters from it.)

This spell costs {2} less to cast as long as you've sacrificed an Idol this turn.

This spell costs {1} less to cast for each instant and/or sorcery card in your graveyard.
Once each turn, when you cast an instant or sorcery spell, you may create a 4/4 white Angel Cleric creature token with flying and vigilance.

You may look at the top card of your library any time.
Once during each of your turns, you may cast an enchantment spell from the top of your library or from your graveyard.

When Sandbluff Enforcers enters, detain target creature an opponent controls. (Until your next turn, that creature can't attack or block and its activated abilities can't be activated.)

Shokan Battalion has double strike as long as it's enchanted, equipped, or has a card inscribed onto it.