msem-instigator

Enchant creature with flying you control
When Chained to the Roc enters, exile target nonland permanent an opponent controls until Chained to the Roc leaves the battlefield.

Choose one —
• Cast Judgment deals 3 damage to target attacking creature.
• Exile target artifact or enchantment.

Exile target creature you control, then return it to the battlefield under its owner's control.
Flashback {2}{W} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

When Blessing from Wings on High enters, you may search your library for an Angel or Nephilim card, reveal it, put it into your hand, then shuffle.
Creatures you control get +1/+0.

Lifelink
When Birthright Proselyte enters, return target permanent card with mana value 2 or less from your graveyard to the battlefield.

Enchant non-Army creature
Enchanted creature can't attack or block.
When Banishment of Aspirations enters, amass Soldiers 1. (Put a +1/+1 counter on an Army you control. It's also a Soldier. If you don't control one, create an 0/0 black Soldier Army creature token first.)

(As an Encounter enters, choose an opponent to protect it. You and others can attack it. When defense counters are removed, create a 0/0 Army token if you don't control one, then put that many +1/+1 counters on a Army you control.)
When Avaz Rising enters, return target creature card from your graveyard to the battlefield. That creature becomes an Army in addition to its other types.

Creatures you control get +2/+0 until end of turn. Untap each Army you control.

Lifelink
{1}{G}{U}: Put a +1/+1 counter on Advocate of Ideals. Until end of turn, it becomes an Angel in addition to its other types and gains flying and vigilance.

{T}: Add one mana of any color. Spend this mana only to cast a multicolored spell.

({T}: Add {B}.)
Wanderlust — Otherworldly Swamp enters tapped unless you control four or more other differently named lands.
{1}, {T}: Add one mana of any color.

({T}: Add {W}.)
Wanderlust — Otherworldly Plains enters tapped unless you control four or more other differently named lands.
{1}, {T}: Add one mana of any color.

({T}: Add {R}.)
Wanderlust — Otherworldly Mountain enters tapped unless you control four or more other differently named lands.
{1}, {T}: Add one mana of any color.

({T}: Add {U}.)
Wanderlust — Otherworldly Island enters tapped unless you control four or more other differently named lands.
{1}, {T}: Add one mana of any color.

({T}: Add {G}.)
Wanderlust — Otherworldly Forest enters tapped unless you control four or more other differently named lands.
{1}, {T}: Add one mana of any color.

Runic Pillars enters tapped.
{T}: Add {C}{C}{C}.
{2}: Add one mana of any color.

Love Letters enters with X stamp counters on it.
Whenever one or more creatures you control deal combat damage to a player, you may remove a stamp counter from Love Letters. If you do, draw a card.

When Gate of Realms enters, you may search your library for a land card, reveal it, and put that card into your hand. If you do, shuffle.
{10}, {T}: Gate of Realms deals 3 damage to any target. This ability costs {1} less to activate for each different name among lands you control.

Whenever you cast a spell, you may pay 3 life. If you do, draw a card.

Players can't gain life.
Whenever a player casts a spell, Rage of the Ravaged deals 1 damage to that player.

Target player mills X cards, where X is the number of cards in your graveyard.
Flashback {3}{U/B}{U/B} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Primal {5}{W}{B} (During your turn, you may cast this spell for {5}{W}{B} instead of playing a land.)
Destroy all creatures. If this spell was cast for its primal cost, for each player, put up to one creature card from that player's graveyard onto the battlefield under your control.

Reveal the top five cards of your library. An opponent separates those cards into two piles. Put one pile into your hand. You may cast a nonland card with mana value 3 or less from the other pile without paying its mana cost, then put that pile into your graveyard.

Enchant permanent
Enchanted permanent is a land with “{T}: Add {G}{W}{U}” and loses all other card types and abilities.
{1}, Discard Song of Shoals: Add one mana of any color. Scry 1.

Exile the top card of your library, a card from your hand, and a card from your graveyard. Put one of the exiled cards on top of your library, one into your hand, and the other into your graveyard.