msem-instigator

{2}, {T}, Sacrifice a creature: Each opponent loses 2 life. You gain life equal to the life lost this way.

Vigilance
If another creature would die, exile it instead.
At the beginning of your upkeep, return each creature card exiled with Arbiter of Endless Summer to the battlefield under its owner's control.

{T}, Sacrifice Rootshambler: Untap all basic lands you control.

Trample
Cadence (Whenever you cast a spell, if its mana value is greater than this creature's power, put a +1/+1 counter on this creature.)

Cryptic Reef enters tapped.
{T}: Add {G} or {U}.
{2}{G}{U}, {T}, Sacrifice Cryptic Reef: Draw a card.

{T}: Add {C}.
{1}, {T}: Transform Ruined Theater.

Create two 1/1 Insect creature tokens that are all colors.
Create a Vial token. (It's an artifact with “{1}, Sacrifice this and another permanent: Draw a card. Activate only during your turn.”)

When Abaran enters, put a -1/-1 counter on up to one target creature.
At the beginning of your upkeep, if you control a creature with the greatest toughness among creatures on the battlefield, each opponent discards a card.

Flying
Whenever Reliya's Construct attacks, it gets +1/+1 until end of turn for each instant or sorcery card in your graveyard.
{U}{U}, {T}, Sacrifice Reliya's Construct: Return target instant or sorcery card from your graveyard to your hand.

Enchant creature
Enchanted creature gets +1/+1 for each land your team controls.

At the beginning of your end step, create a 1/1 colorless Human creature. Put a sacrifice counter on it.
Creature tokens you control with sacrifice counters on them can't attack or block and have “Sacrifice this creature: Add {C}.”

Flying
Whenever you honor a creature, create two 1/1 white Soldier creature tokens.
Whenever you condemn a creature, each opponent loses life equal to its power and you gain life equal to its toughness.

Whenever you cast a noncreature spell, you may put a progress counter on Propaganda Division.
[progress 2-4] At the beginning of your end step, each opponent loses 1 life and you gain that much life.
[progress 5+] At the beginning of your end step, each opponent loses 1 life for each Project you control and you gain that much life.
At the beginning of your end step, each opponent loses 1 life for each Project you control and you gain that much life.

Flying
Whenever a creature you control that isn't enchanted dies, adjudicate.
Whenever an enchanted creature you control dies, return it to the battlefield at the beginning of the next end step.

When this creature enters, create a 1/1 black Bat creature token with flying and “This creature can't block.”

When Ruler of Cities enters, you may search your library for an Aura that could enchant a land you control, reveal it, put it into your hand, then shuffle.
Whenever an Aura becomes attached to a land you control, you gain 2 life.

Equipped creature has hexproof.
{2}: Exile equipped creature. Return it to the battlefield under its owner's control at the beginning of the next end step.
Equip {1}

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.)
At the beginning of combat on your turn, if you're in a renaissance, target creature gains flying until end of turn.

Other creatures you control get +1/+1.
When Kotis, Promised General dies, you may return it to its owner's hand.

Vanishing 3 (This permanent enters with three time counters on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.)
Whenever a time counter is removed from Burning Heels, exile the top card of your library. Until end of turn, you may play that card.

Indestructible
When Dark Behemoth dies, return another target creature card from your graveyard to the battlefield.

As long as it's your turn, Kamito Champion has first strike.
Kamito Champion gets +1/+1 as long as it's equipped, enchanted, or has a card inscribed onto it.

Zareen's Pariah is all colors.
Flying
During each of your turns, you may cast a spell of each color from your graveyard.

Flash
Flying
You may cast creature spells with flying as though they had flash.
Whenever another creature with flying you control enters, this creature gets +1/+1 until end of turn.