msem-instigator

Put a +1/+1 counter on target creature. Prevent all combat damage other creatures would deal this turn.

Enchant creature
Enchanted creature has flying.
{2}: Tap enchanted creature.

{T}: Each opponent loses 1 life and you gain 1 life.
Whenever you cycle a card or cast a spell with a cycling ability, untap Font of Nefarox.

Harmony — Tap target creature. That creature doesn't untap during its controller's next untap step.
When Chilling Musician enters, harmonize. (Trigger up to one harmony of one permanent you control.)

Indestructible
When Phylactery of Forbidden Arts enters, search your library for up to three instant and/or sorcery cards with different names, put them into your graveyard, then shuffle.
{T}: Add three mana of any one color. Spend this mana only to cast spells from your graveyard or activate abilities from your graveyard.

As Unlikely Growth enters, choose grow or maintain.
Whenever a land you control enters,
• Grow — Put a +1/+1 counter on target creature you control.
• Maintain — Target creature you control gains trample and indestructible until end of turn.

Flying
Whenever Pale Courier deals combat damage to a player, it voyages. (If it isn't blocking or targeted by another spell or ability, it phases out.)
Whenever Pale Courier phases in, create a 1/1 white Dwarf creature token.

Target player discards a card.
Monument {1}{B} (You may cast this transformed from your graveyard for its monument cost. Exile it if it would leave the battlefield or not resolve.)

Menace
Whenever Operative GINGER attacks or you cast a blue or white spell, Operative GINGER deals 1 damage to any target.

Enchant creature
Enchanted creature gets +2/+2, can't be the target of spells or abilities you don't control unless their controller controls no untapped lands, and can't be blocked unless all creatures defending player controls that are able to block it do so.

Whenever a creature you control deals combat damage to a player this turn, add that much {R}. Until end of turn, you don't lose this mana as steps and phases end.

When Wandering Visionary enters, draw a card.
{W}{U}{B}{R}{G}: Create a 1/1 blue Elemental creature token with flying.

Ward—Pay 2 life.
Whenever another creature dies, put a hysteria counter on Mob of the End.
At the beginning of your first main phase, remove all hysteria counters from Mob of the End and add that much {R}.

{1}, Sacrifice Traveler's Amulet: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.

Other creatures you control get +0/+1.
Whenever a creature you control perseveres, you gain 1 life. (A creature perseveres when it survives damage.)

Street Busker gets +2/+0 as long as you've gained life this turn.

Melee (Whenever this creature attacks, it gets +1/+1 until end of turn for each opponent you attacked this combat.)
Whenever Tegan, the Sparrowhawk attacks, you may pay {R/W}. When you do, Tegan deals 1 damage to target creature if it's tapped. Otherwise, tap it.

Trample
{2}{R}: Santriza Arsonist gets +3/+0 until end of turn.

[+2]: Scry 2, then you may draw a card. If you don't, Liactru Stormheart deals 2 damage to any target.
[–4]: Create a 4/4 blue and red Elemental creature token. It gains flying, vigilance, and haste until end of turn.
[–10]: For each player, create a token that's a copy of target permanent that player controls. You get an emblem with “Permanents you control have hexproof.”

Whenever you cast a noncreature spell, put a quest counter on Gate to the Beyond.
At the beginning of your upkeep, if there are three or more quest counters on Gate to the Beyond, you draw a card and you lose 1 life. Then if there are six or more quest counters on it, each opponent loses 2 life.

Creatures you control get +4/+4 and gain trample until end of turn.
Coalesce {8}{G}{G} (You may cast this from your graveyard for {8}{G}{G}. If you do, it enters as a Horror creature after it resolves. Exile it if it would leave the battlefield or not resolve.)
Trample

At the beginning of your upkeep, you lose 1 life, then reveal the top card of your library. You lose life equal to its mana value unless it is a creature card. Put that card into your hand.

Explorer's Ascent enters tapped.
{T}: Add {W}.
{T}: Target creature you control gets +1/+1 until end of turn.

When Sealed Evil in a Cage enters, exile target creature an opponent controls with mana value 3 or greater until Sealed Evil in a Cage leaves the battlefield.

Whenever Skysworn Savior attacks, you may return another creature you control to its owner's hand. If you do, Skysworn Savior gets +2/+2 and gains flying until end of turn.