msem-instigator

Deathtouch
Whenever an Egg you control dies, you may return an exiled card on an Adventure to its owner's hand.

When Curious Charter enters, it explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on this creature, then put the card back or put it into your graveyard.)
As a permanent you control explores a land, you may put it onto the battlefield rather than into your hand.

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.

At the beginning of your first upkeep each turn, choose one —
• Replace your first main phase this turn with an additional upkeep step.
• Replace your second main phase this turn with an additional combat phase.

Exile the top card of your library. You may play that card until your next end step. At the beginning of the next end step, if you didn't play the exiled card, return Curious Disturbances from your graveyard to your hand.

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

Play with the bottom card of your library revealed.
Whenever you cast a spell or play a land from your hand that shares a type with the bottom card of one or more of your libraries, you may cast each of those cards without paying its mana cost or put it onto the battlefield if it's a land.

Elemental, Demon, and Spirit spells you cast cost {1} less to cast.
Whenever you cast a Elemental, Demon, or Spirit spell, investigate. (Create a colorless Clue artifact token with “{2}, Sacrifice this artifact: Draw a card.”)

I, II — Create a tapped Treasure token. (It's an artifact with “{T}, Sacrifice this artifact: Add one mana of any color.”)
Discovery — {2}, Sacrifice an artifact: Draw a card.

Whenever Current Shaper perseveres, it deals 1 damage to each opponent. (A creature perseveres when it survives damage.)

Whenever you draw your second card each turn, put a +1/+1 counter on Current Surfer.
{R}, Discard your hand, Sacrifice Current Surfer: Draw X cards, where X is its power. At the beginning of the next end step, discard your hand.

Enchant opponent
When Curse of Bleeding enters, enchanted player loses 2 life.
Enchanted player can't gain life.

Flash
Enchant player
When Curse of Ceaseless Pursuit enters, put two +1/+1 counters on target creature you control.
Creatures attacking enchanted player have trample.

Enchant opponent
Whenever enchanted player plays a land, you may put a land card from your hand onto the battlefield.

Enchant player
When Curse of Grasping Air enters, enchanted player reveals their hand. You choose a nonland card from it. That player discards that card.
Spells you cast that target enchanted player cost {1} less to cast.

Enchant opponent
Whenever a creature enters under enchanted player's control, that player loses 1 life and you gain 1 life.

Enchant player
At the beginning of enchanted player's upkeep, if that player has one or fewer cards in hand, they lose 3 life.

Enchant opponent
Creatures enchanted player controls get -1/-0.

Create a 2/2 colorless Spirit creature token.
When inscribed creature dies, create a 2/2 colorless Spirit creature token.
Inscribe {2}{B}{B} ({2}{B}{B}: Exile this card from your hand inscribed on a creature you control. Whenever that creature attacks, its controller may cast a copy of the inscribed card without paying its mana cost. Inscribe only as a sorcery.)

Enchant player
When Curse of Life's Cycles enters, destroy target creature enchanted player controls.
Concord — At the beginning of enchanted player's upkeep, if there are four or more card types among permanents you control, that player loses 1 life and you gain 1 life.

Enchant player
At the beginning of enchanted player's upkeep, that player upgrades a creature you control. (They give it one of the listed counters it doesn't have.)
• +1/+1
• Lifelink
• Menace

Enchant opponent
Whenever a creature you control deals combat damage to enchanted player, draw a card.

Enchant opponent
The first time enchanted player chooses targets each turn, reselect each of those targets at random.

Enchant player
If enchanted player would shuffle their library, instead that player chooses a permanent they control and a card from their hand, shuffles them into their owner's libraries, then loses 3 life.

Enchant opponent
Creatures enchanted player control lose hexproof and indestructible and can't have or gain hexproof or indestructible.