msem-instigator

Experience (Whenever this creature attacks, if it has fewer than three +1/+1 counters on it, put a +1/+1 counter on it.)
Curious Cubs has first strike as long as its attacking.
When Curious Cubs has three or more +1/+1 counters on it, remove them all and transform it.

{1}, Sacrifice Curious Fossil: Scry 2.
{2}{U}: Return Curious Fossil from your graveyard to the battlefield transformed. Activate only during your turn.

If an opponent controls more lands than you, search your library for a Plains card. If an opponent controls more creatures than you, search your library for a creature card with mana value 2 or less. Reveal those cards, put them into your hand, then shuffle.

{2}{U}{B}: Return Depth Charger to its owner's hand. If you do, return target creature to its owner's hand. That player discards a card.

Trample
Creatures your opponents control get -1/-0.

Experience (Whenever this creature attacks, if it has fewer than three +1/+1 counters on it, put a +1/+1 counter on it.)
When Determined Koi has three or more +1/+1 counters on it, remove them all and transform it.

When Disciple of Faradia enters, search your library for an Angel or Aura card, reveal it, and put it into your hand, then shuffle. You gain life equal to its mana value.
As long as you control an Angel, Disciple of Faradia gets +2/+2, has flying, and is an Angel in addition to its other types.

Flash
When Dreamnapper enters, another target creature phases out until Dreamnapper leaves the battlefield. (Treat it and anything attached to it as though they don't exist as long as it's phased out.)

({T}: Add {W} or {B}.)
Dreary Township enters tapped.
Cycling {2} ({2}, Discard this card: Draw a card.)

Gain control of target creature until end of turn. Untap it. It gets +2/+0 and gains haste until end of turn.

Copy target spell. You may choose new targets for the copy. (A copy of a permanent spell becomes a token.)

Experience (Whenever this creature attacks, if it has fewer than three +1/+1 counters on it, put a +1/+1 counter on it.)
When Eager Hatchling has three or more +1/+1 counters on it, remove them all and transform it.

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

Destroy all attacking creatures with power 3 or greater.

You may cast this spell as though it had flash if you control a Horror creature.
Destroy all non-Horror creatures.

Flash
Creatures you control that have entered this turn get +1/+1 and have haste and first strike.

When Ema, the Traveler enters, reveal the top five cards of your library. Put any number of legendary cards revealed this way into your hand and the rest on the bottom of your library in any order.
{2}{B}: Another target legendary permanent gains indestructible until end of turn.

Haste
Whenever Emonoru, Ema's Wings attacks alone, he gains flying and double strike until end of turn.

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

Whenever a land you control enters, choose one. If it doesn't share a name with another land you control, instead choose both—
• Create a 1/1 Scout creature token that's all colors.
• Put a +1/+1 counter on a creature you control.

Menace
Whenever you cast a noncreature spell, Enduring Charge gets +1/+1 until end of turn.

You may reveal a legendary card you own from outside the game and put it into your hand. Exile Epic Encounter.

Return X target cards with different mana costs from your graveyard to your hand. Exile Eternal Blessings.

The first spell you cast each turn costs {1} less to cast.

Exile target nonland permanent if its mana value is less than or equal to the greatest number of nonland permanents controlled by a single player.