msem-instigator

Flash
When Remnant Spotter enters, put target permanent card from your graveyard on top of your library.

When Remnant of Lost Times enters, scry 1.
{2}, Sacrifice Remnant of Lost Times: Draw a card.

Destroy target creature or planeswalker. You gain 1 life and that permanent's controller loses 1 life.

Kicker {U} (You may pay an additional {U} as you cast this spell.)
Counter target spell. If this spell was kicked, look at the top three cards of your library, then put them back in any order.

Tap up to two target creatures.
Draw a card.

Flash (You may cast this spell any time you could cast an instant.)
When Replicator Mage enters, you may create a token that's a copy of target creature that's attacking you. Exile that token at end of combat.

Until end of turn, target creature loses all abilities and has base power and toughness 1/1. Scry 1. (To scry 1, look at the top card of your library. You may put that card on the bottom of your library.)

When Repurposed Custodian enters, shuffle any number of target cards from graveyards into their owner's libraries.

Whenever a creature you control dies, you may search your library for an enchantment card or a card with fabled, reveal it, put it into your hand, then shuffle.

Wanderlust — When you cast this spell, you may copy it if you control four or more differently named lands.
Look at the top three cards of your library. Put one of them into your hand and the rest on the bottom of your library in a random order.

Exile the top two cards of your library. Until end of turn, you may play those cards. Add {R} for each creature card exiled this way.

Creatures you control get +2/+1 until end of turn.
Cycling {1}{W} ({1}{W}, Discard this card: Draw a card.)

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

Return target creature card with mana value 3 or less from your graveyard to the battlefield. You gain 3 life.

Lifelink
Whenever another creature you control with a counter on it dies, return it to its owner's hand. If that creature was an Avatar, return it to the battlefield under your control instead.

When Rethia Cultivator enters, you may search your library for a land card, reveal it, put it into your hand, then shuffle.

Flying
When Reticent Possessor enters, you may attach target Aura you control to target permanent or player it could enchant.

Flash
Whenever you cast a Tale, look at the top two cards of your library. Put one into your hand and the other back on top or into your graveyard.

Counter target spell.
You may draw four cards. If you do, skip your next turn.

At the beginning of your upkeep, if a library has twenty or fewer cards left in it, return Returned Explorer from your graveyard to the battlefield tapped.

As long as there are three or more creature cards in your graveyard, Returned Minotaur gets +1/+1 and has menace.

As an additional cost to cast Reunite with Nature, sacrifice X creatures.
Create X plus one 3/1 red and green Elemental Horror creature tokens with haste and trample.

Lifelink
{W}{B}, {T}, Discard a card: Look at the top three cards of your library. You may reveal an enchantment card from among them and put it into your hand. Put the rest on the bottom of your library in any order.
When you have no cards in hand, exile Revela, then return her to the battlefield transformed under her owner's control.

[+1]: Creatures you control get +1/+0 and gain respawn until end of turn. (When one dies, if it attacked this turn, return it to its owner's hand.)
[0]: You get an emblem with “Whenever a creature you control attacks, you gain 1 life.”
[–5]: Until end of turn, Revela becomes a legendary Human Cleric Avatar creature with lifelink, indestructible, and “This creature's power and toughness are each equal to your life total.”

{B}: Revenant Shade gets +1/+1 until end of turn.