msem-instigator

If Hunter's Mark is in your opening hand, you may begin the game with it on the battlefield.
Enchant opponent
Spells you cast that target enchanted player cost {2} less to cast.

Harmony — Target creature gains indestructible until end of turn.
When Improvising Automaton enters the battlefield, harmonize. (Trigger up to one harmony of one permanent you control.)

Harmony — Target creature gets +2/+2 until end of turn.
When Inspiring Band enters the battlefield, harmonize. (Trigger up to one harmony of one permanent you control.)

Attacking creatures get +2/+0 and gain trample until end of turn.

When Irrigation Trawler enters the battlefield, reveal the top card of your library. If that card was a land card, put that card into your hand. Otherwise, create a colorless artifact token named Lotus Petal with “{T}, Sacrifice this artifact: Add one mana of any color.”

Enspirit (As you cast this spell, you may exile a nonenchantment creature you control until this leaves the battlefield or fails to resolve. Reduce this spell's cost by the exiled card's mana value.)
{T}: The next creature spell you cast this turn has enspirit. When that creature enters the battlefield, it becomes an enchantment in addition to its other types.

Enspirit (As you cast this spell, you may exile a nonenchantment creature you control until this leaves the battlefield or fails to resolve. Reduce this spell's cost by the exiled card's mana value.)
When Kantra of Avarice enters the battlefield, target player draws two cards and loses 2 life.

Enspirit (As you cast this spell, you may exile a nonenchantment creature you control until this leaves the battlefield or fails to resolve. Reduce this spell's cost by the exiled card's mana value.)
You may play any number of lands on each of your turns.

Enspirit (As you cast this spell, you may exile a nonenchantment creature you control until this leaves the battlefield or fails to resolve. Reduce this spell's cost by the exiled card's mana value.)
Trample

Enspirit (As you cast this spell, you may exile a nonenchantment creature you control until this leaves the battlefield or fails to resolve. Reduce this spell's cost by the exiled card's mana value.)
Lifelink

Enspirit (As you cast this spell, you may exile a nonenchantment creature you control until this leaves the battlefield or fails to resolve. Reduce this spell's cost by the exiled card's mana value.)
When Kantra of Old Majik enters the battlefield, you may return target card from your graveyard to your hand.

Enspirit (As you cast this spell, you may exile a nonenchantment creature you control until this leaves the battlefield or fails to resolve. Reduce this spell's cost by the exiled card's mana value.)
At the beginning of each player's upkeep, they sacrifice a nonenchantment creature. Then if there are no nonenchantment creatures on the battlefield, sacrifice Kantra of Plagues.

Enspirit (As you cast this spell, you may exile a nonenchantment creature you control until this leaves the battlefield or fails to resolve. Reduce this spell's cost by the exiled card's mana value.)
You may look at the top card of your library any time.
You may play the top card of your library.

{T}: Add {C}.
{T}: Add one mana of any color. Spend this mana only to cast enchantment spells.

At the beginning of your upkeep, target player draws a card and loses 1 life. Each other player creates a colorless artifact token named Lotus Petal with “{T}, Sacrifice this artifact: Add one mana of any color.”

Repeat the following process X times. Exile a creature you control, then return it to the battlefield under your control.
Exile Lazaire's Conjuring.

Menace
Lonely Devil can't attack or block alone.

Exile the top three cards of your library. For each land card exiled this way, create a colorless artifact token named Lotus Petal with “{T}, Sacrifice this artifact: Add one mana of any color.” Until the end of your next turn, you may cast nonland cards exiled this way.

Put target nonland permanent on top of its owner's library.
Create a colorless artifact token named Lotus Petal with “{T}, Sacrifice this artifact: Add one mana of any color.”

When Lotus Debutante enters the battlefield, create a colorless artifact token named Lotus Petal with “{T}, Sacrifice this artifact: Add one mana of any color.”
{3}{U}: Draw a card.

When Lotus Feaster enters the battlefield, create a colorless artifact token named Lotus Petal with “{T}, Sacrifice this artifact: Add one mana of any color.”

Add three mana of any one color.

Flash (You may cast this spell any time you could cast an instant.)
{2}{G}: Luminescent Croaker gains indestructible until end of turn.

Flash
Enspirit (As you cast this spell, you may exile a nonenchantment creature you control until this leaves the battlefield or fails to resolve. Reduce this spell's cost by the exiled card's mana value.)