msem-instigator

Whenever one or more creatures you control deal combat damage to a player or planeswalker, create a Clue token.
{G}{U}, Sacrifice a Clue: Put a +1/+1 counter on target creature. Proliferate.

{T}: Add {C} and one mana of any color.

Flash
Prowess
When Ella enters the battlefield, create two 1/1 blue Wizard creature tokens with prowess.
Whenever you cast a noncreature spell, you may sacrifice a creature. If you do, copy that spell. You may choose new targets for the copy.

When Embodiment of Abundance enters the battlefield, choose one —
• Search your library for up to X basic land cards, where X is the number of lands you control, and put them onto the battlefield tapped. Then shuffle.
• Create a 1/1 green Elf Druid creature token for each creature you control.

Legendary creatures you control get +1/+1.

Whenever Encouraging Bulwark attacks, you may put a +1/+1 counter on each creature you control that's enchanted and/or has one or more counters on it.

Each player can't cast more than one spell each turn.
You may cast spells from your hand without paying their mana costs.

Destroy target creature. You lose 4 life.

This spell costs {2} less to cast as long as you control a Saga.
When Engrossed in the Tale enters the battlefield, exile target creature an opponent controls until Engrossed in the Tale leaves the battlefield.

As Enlightened Sigil enters the battlefield, choose a card type.
Spells you cast of the chosen type cost {1} less to cast.

Enchant opponent
At the beginning of enchanted player's upkeep, they choose one that hasn't been chosen yet —
• They discard three cards.
• They sacrifice three nonland permanents.
• You transform Enrapturing Grudge.
If Enrapturing Grudge would be put into a graveyard from anywhere, exile it instead.

Once each turn, when you cast a spell, you may note one of its card types that hasn't been noted for Enter Captain Minnow. If you do, create a number of tapped Treasure tokens equal to the number of types noted for Enter Captain Minnow.

Whenever a Role is attached to a creature you control or you cast a spell that targets a creature you control, put a +1/+1 counter on Enthusiastic Admirer.

Artifacts you control have “{T}: Add one mana of any color.”
{2}{R}{G}: Create a 3/2 green Crocodile creature token with trample. It gains haste until end of turn.

Erupting Territory enters the battlefield tapped.
{T}: Add {B} or {R}.
{1}, {T}: Add one mana of any color.

If you would search your library for one or more cards, you may search for an additional card. (It still follows the same restrictions and effects.)

At the beginning of your upkeep, return a permanent you control to its owner's hand.
You may play an additional land on each of your turns.

Trample
Evergrowing Hydra enters the battlefield with X +1/+1 counters on it.
Whenever another creature you control dies, you may pay {X}, where X is less than or equal to that creature's power. If you do, put X +1/+1 counters on Evergrowing Hydra.

{T}, Sacrifice Evolving Wilds: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Vigilance
When Expendable Victim dies, create a 1/1 colorless Construct Actor creature token.

When Experienced Team enters the battlefield, choose one —
• Create a 4/2 white Bear creature token.
• Create a 2/4 red Snail creature token.
• Create a 2/2 white Bird creature token with flying.

Reach
When Extolled Arachstruct enters the battlefield, mill two cards. When you do, choose one —
• Each opponent sacrifices a creature with power less than the number of cards in your graveyard.
• Each opponent sacrifices a creature with power greater than the number of cards in your graveyard.

Choose one —
• The next spell you cast this turn has flash and can't be countered.
• Target creature gets +2/+0 and gains haste until end of turn.
• Target creature gets +1/+0 and gains first strike until end of turn.

{2}, {T}: Tap target creature. This ability costs {2} less to activate if you control an enchantment.

{T}, Sacrifice Fabled Passage: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle. Then if you control four or more lands, untap that land.