msem-instigator

As an additional cost to cast this spell, sacrifice a creature or pay {3}{B}.
Exile target creature or planeswalker.

Draw a card.
Reprise {2} (As you cast an instant or sorcery spell, you may exile one card with reprise from your graveyard and pay its reprise cost. If you do, add its effects to that spell.)

{T}: Add {C}.
{T}, Pay 1 life: Add {G}.
{6}{G}, {T}, Sacrifice Ecological Refuge: Create two 3/3 green Wurm creature tokens. Activate only as a sorcery.

Target player discards a card. If that player discards a land card this way, they lose 3 life.

When Edge of the World enters, each player draws a card.
{T}: Each player adds {C}.

{1}{G}, Sacrifice Edgeland Savant: Draw a card. You may put a land card from your hand onto the battlefield tapped.

[+1]: Untap up to one target creature.
[0]: Edith Waunt becomes a legendary green Human creature with “This creature's power and toughness are each equal to the number of loyalty counters on it” and “Whenever this creature deals damage, put a loyalty counter on it” until your next turn.

At the beginning of your end step, draw a card for each card you drew this turn.

({T}: Add {B} or {G}.)
As Eerie Bayou enters, you may pay {1}. If you don't, Eerie Bayou enters tapped.

Reach
Eerie Cocoons gets +1/+1 as long as you control another Insect.

Enchant noncreature permanent
Enchanted permanent is a colorless Forest land. (It has “{T}: Add {G}.”)

Haste
When Efreetspeaker dies, create a Treasure token. (It's an artifact with “{T}, Sacrifice this artifact: Add one mana of any color.”)

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

Indestructible
Whenever a creature you control becomes untapped, draw a card.

{T}: Add {C}.
{2}, {T}: Add {C} for each Desert you control.

Exile target permanent, then return that card to the battlefield under its owner's control.

[progress 2+]
[progress 5+]
Whenever a creature enters, each opponent loses 1 life.

Put a +1/+1 counter on target creature you control. Untap that creature.

Elegant Strike deals 2 damage to target tapped creature. Create a colorless artifact token named Lotus Petal with “{T}, Sacrifice this artifact: Add one mana of any color.”

Equipped creature gets +1/+1 and has prowess.
Equip {2}

Counter target spell, activated ability, or triggered ability unless its controller pays {X}. (Mana abilities can't be targeted.)

{2}, {T}: You gain 5 life. Shuffle Elixir of Immortality and your graveyard into their owner's library.

Elrayin, the Manaroot enters tapped.
Whenever you tap another land for mana, put a creation counter on Elrayin.
{T}, Remove ten creation counters from Elrayin and sacrifice it: Untap all lands target player controls.

Exile target creature you control, then return that card to the battlefield under your control.

When Elven Guard becomes the target of a spell you control, you may pay {G}. If you do, transform it.