msem-instigator

{T}: Add {C}.
{1}, {T}: Target player exiles a card from their graveyard. If a creature or planeswalker card is exiled this way, create a Vessel token. (It's an enchantment with “{2}, Sacrifice this enchantment: Create a 1/1 white Spirit creature token with flying.”)

{T}: Target player mills a card.
{4}, {T}, Exile Dusty Record: Target player shuffles their graveyard into their library.

Flying, haste
When EHSAE, Entelan Skycraft deals combat damage to a player, you may return it to its owner's hand. If you do, you may search your library for an instant or sorcery card, reveal it, put it into your hand, then shuffle.
Crew 3

{T}: Add {C}.
{T}, Pay 1 life: Add {G}.
{6}{G}, {T}, Sacrifice Ecological Refuge: Create two 3/3 green Wurm creature tokens. Activate only as a sorcery.

Defender
Civilized — {T}: Edge of the Empires deals 1 damage to each opponent. Activate only if you control an artifact, a creature, and an enchantment.

When Edge of the World enters, each player draws a card.
{T}: Each player adds {C}.

At the beginning of your end step, draw a card for each card you drew this turn.

({T}: Add {B} or {G}.)
As Eerie Bayou enters, you may pay {1}. If you don't, Eerie Bayou enters tapped.

First strike
Effigy of Creation gets +1/+1 as long as your fealty to Mountains is four or greater. (Each Mountain you control counts towards your fealty to Mountains.)

Menace
Effigy of Destiny gets +1/+1 as long as your fealty to Swamps is four or greater. (Each Swamp you control counts towards your fealty to Swamps.)

Trample
Effigy of Harvest gets +1/+1 as long as your fealty to Forests is four or greater. (Each Forest you control counts towards your fealty to Forests.)

{T}: Add one mana of any color. Put a creation counter on Effigy of Ivory Fire.
{2}: Effigy of Ivory Fire becomes a 4/4 red Dragon artifact creature with flying until end of turn. Activate only if Effigy of Ivory Fire has three or more creation counters on it.

Lifelink
Effigy of Morality gets +1/+1 as long as your fealty to Plains is four or greater. (Each Plains you control counts towards your fealty to Plains.)

Flying
Effigy of Wisdom gets +1/+1 as long as your fealty to Islands is four or greater. (Each Island you control counts towards your fealty to Islands.)

{T}, Sacrifice a creature: Search your library for a creature card with mana value 1, put it onto the battlefield, then shuffle. Activate only as a sorcery.

{T}: Add {W} or {B}. You lose 1 life unless you have less life than an opponent.

{1}, {T}: Draw a card, then exile a card from your hand face down.
You may look at cards exiled with Ekebram's Archive.
{4}, {T}, Sacrifice Ekebram's Archive: Return all cards exiled with Ekebram's Archive to their owner's hand.

Indestructible
Whenever a creature you control becomes untapped, draw a card.

{T}: Add {C}.
{2}, {T}: Add {C} for each Desert you control.

Elaborate Firecannon doesn't untap during your untap step.
{4}, {T}: Elaborate Firecannon deals 2 damage to any target.
At the beginning of your upkeep, you may discard a card. If you do, untap Elaborate Firecannon.

Equipped creature gets +2/+0.
Whenever a creature blocks equipped creature, you may sacrifice Elderbane Rifle. If you do, destroy that creature.
Equip {2}

At the beginning of each combat, you may have Elderin, Crystalline Crusader become a copy of another target creature you control with mana value 3 or less until end of turn, except its name is still Elderin, Crystalline Crusader, it's still 3/3, still legendary, and it's an artifact in addition to its other types.
{W}{U}{B}{R}{G}: Elderin gets +3/+3 until end of turn.

{T}: Add one mana of any color.
{T}, Sacrifice Elderthrone Shard: Draw a card.

[progress 2+]
[progress 5+]
Whenever a creature enters, each opponent loses 1 life.

{T}: Add {C} and one mana of any color.