msem-instigator

{U}, Exile a card from your hand or graveyard that doesn't share a type with a card exiled by Tea of Augury: Draw a card.

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

You may cast Elemental spells as though they had flash this turn.
Whenever you cast an Elemental spell this turn, draw a card.

Look at the top three cards of your library. Put one of those cards into your hand, one on top of your library, and one on the bottom of your library.

Harness (You may tap a creature you control as you cast this spell. If you do, reduce this spell's mana cost by that creature's power.)
Take an extra turn after this one. Exile Temporal Aria.

Scry 3. If you control a Wizard, draw a card.

End the turn. If it's an opponent's turn, they take an extra turn after this one. (Exile all spells and abilities from the stack, including this card. The player whose turn it is discards down to their maximum hand size. Damage wears off, and “this turn” and “until end of turn” effects end.)

This spell costs {1} less to cast for each ten cards in your library.
Take an extra turn after this one.
Exile Temporal Insight.

Counter target spell.
Take an extra turn after this one.

This spell costs {3} less to cast if it targets a creature you control.
Exile target creature, then you may return it to the battlefield under its owner's control. Otherwise, put it on top of its owner's library.

Enchant nonland permanent
Vanishing 3 (This permanent enters with three time counters on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.)
You control enchanted permanent.

Take an extra turn after this one. During that turn, you may look at and play the top card of your library.
Exile Temporotomy.

Tap target creature. Put a stun counter on it.
Flashback {1}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Enchant permanent
When Tempted by Lotuses enters, enchanted permanent's owner creates three colorless artifact tokens named Lotus Petal with “{T}, Sacrifice this artifact: Add one mana of any color.”
You control enchanted permanent.

When Tempting Gate enters, draw a card, then choose a card name.
At the beginning of your end step, you may exile any number of target creatures you control with the chosen name, then return them to the battlefield under your control.

At the beginning of the next upkeep, untap all noncreature permanents you control and draw a card.
Exile Tempus Fugit.

Choose one —
• Counter target spell unless its controller pays {4}.
• Tap up to two target creatures. They don't untap during their controller's next untap step.

When Terraformer's Globe enters, draw a card.
{T}: Target land you control becomes the basic land type of your choice until end of turn.

Kicker {4}{U}{U} (You may pay an additional {4}{U}{U} as you cast this spell.)
Return target nonland permanent to its owner's hand. If this spell was kicked, create an 8/8 blue Kraken creature token with trample.

Enchant opponent
Whenever enchanted player draws a card or casts a spell, put a foreshadow counter on Thalassophobia.
Remove eight foreshadow counters from Thalassophobia and sacrifice it: Create an 8/8 blue Kraken creature token.

Enchant creature you control
When Thassa's Benefaction enters, scry 2.
Enchanted creature gets +1/+0 and has flying.

When The Clocktower Project enters, create a tapped colorless Powercell artifact token with “{T}: Add {C}.”
Tap seven untapped artifacts you control: Draw three cards.

[+1]: Create a 0/1 blue Illusion creature token.
[–2]: Put target creature on top of its owner's library.
[–6]: You get an emblem with “Whenever you draw a card, target opponent mills six cards.”

You may look at the top card of your library any time.
You may play lands and cast spells from the top of your library.
As long as your main library has ten or fewer cards in it, you may cast spells without paying their mana costs.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
Flash
I — Draw three cards.
II, III — You may cast a spell with mana value less than or equal to the number of lore counters on The Infinite Calls to Marva from your hand without paying its mana cost.