msem-instigator

Flying
Whenever a creature you control dies, put a +1/+1 counter on Drove of the Lost.
{1}, Sacrifice a creature: Each opponent loses 1 life. Gain 1 life.

You gain 3 life. Choose one —
• Destroy target artifact.
• Destroy target enchantment.
• Destroy target creature with flying.

Forgotten Attic enters tapped.
When Forgotten Attic enters, look at the top card of your library. You may put it into your graveyard.
{T}: Add {U} or {B}.

Whenever an opponent casts a spell, harmonize. (Trigger up to one harmony of a permanent you control.)
Harmony — Spells your opponents cast cost an additional 2 life to cast until your next turn.

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

Enchant land
Enchanted land has “{T}: Target creature gets -1/-1 until end of turn. Activate only as a sorcery.”

Flying
Whenever another creature you control attacks, you may pay {1}. If you do, put a +1/+1 counter on it.

When Timecrafter Lafterii enters, choose target permanent with one or more time counters on it, then put two time counters on it or remove two time counters from it.

Destroy target tapped creature. 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 Delugic Surger enters, if you control another Elemental, return target instant or sorcery card from your graveyard to your hand.

Whenever a Monkey creature you control becomes the target of a spell or ability, you may reveal the top card of your library. If you do, counter that spell or ability if it has the same mana value as the revealed card. (Abilities have a mana value of 0.)

Exile all nontoken creatures. For each creature exiled this way, return that card to the battlefield under a random player's control.

Ralora, Unforgiving Depths enters tapped.
Whenever a source deals damage to you, put a creation counter on Ralora.
{T}, Remove ten creation counters from Ralora and sacrifice it: It deals 10 damage to target player or planeswalker.

Flying
Ward {2} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {2}.)
Whenever Outrider Captain attacks, search your library for a creature card with mana value 1 or less, put it onto the battlefield tapped and attacking, then shuffle.

You get a fuse counter, then Ignition Sequence deals X damage to any target, where X is 2 plus the number of fuse counters you have.

Enchant creature
{U}: Tap enchanted creature.
{1}{U}: Untap enchanted creature and gain control of it until end of turn.

Serene Chapel enters tapped unless you control a basic Plains.
{T}: Add {W}.
{1}{W}{W}: Until end of turn, Serene Chapel becomes a 2/1 white Spirit Cleric creature with flying and “Whenever this creature attacks, you may exile target card from a graveyard.” It's still a land.

Trample
{T}: Draw a card. Put a charge counter on Kilani, Awakened Colossus.
Remove a charge counter from Kilani: Double Kilani's power until end of turn.

Whenever you cast a spell, if you cast it for an alternative cost or cast it from anywhere other than your hand, create two 1/1 blue Elemental creature tokens with flying. (Reconstruct and rhapsody are alternative costs, hybrid costs are not.)

Enchant player
At the beginning of enchanted player's upkeep, their life total becomes 10.

{1}, Sacrifice a creature: Each opponent loses 1 life and you gain 1 life.

({T}: Add {G}.)
As Ancestral Glade enters, you may pay 1 life. If you don't, Ancestral Glade enters tapped.
Basic lands you control have “{T}: Add {G}.”

Menace
Lifelink (Damage dealt by this creature also causes you to gain that much life.)

Whenever a creature token you control deals combat damage to an opponent, it deals that much damage to each other opponent.
At the beginning of combat on your turn, you may sacrifice another creature. If you do, create a 2/2 red, white, and black Knight creature token with haste.

First strike, trample
{2}{R}, Sacrifice a land: Corrignos' Rage gets +3/+0 until end of turn.