Target player mills four cards.

Splice onto Arcane (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)

At the beginning of your upkeep, sacrifice Forethought Amulet unless you pay .

If an instant or sorcery source would deal 3 or more damage to you, it deals 2 damage to you instead.

+1: Until your next turn, whenever a creature an opponent controls attacks, it gets -1/-0 until end of turn.

−2: Reveal the top three cards of your library. An opponent separates those cards into two piles. Put one pile into your hand and the other on the bottom of your library in any order.

−8: For each player, search that player's library for a nonland card and exile it, then that player shuffles. You may cast those cards without paying their mana costs.

Enchant creature

Enchanted creature can't attack or block, and its activated abilities can't be activated. Its controller may exile three cards from their graveyard for that player to ignore this effect until end of turn.

When Parallel Thoughts enters the battlefield, search your library for seven cards, exile them in a face-down pile, and shuffle that pile. Then shuffle your library.

If you would draw a card, you may instead put the top card of the pile you exiled into your hand.

Target opponent reveals their hand. You choose a card from it. That player shuffles that card into their library.

Exile target attacking creature.

Draw a card.

Target player mills four cards. You shuffle up to four cards from your graveyard into your library.

Replicate (When you cast this spell, copy it for each time you paid its replicate cost. You may choose new targets for the copies.)

Counter target spell. Its controller mills three cards.

Flying

Your maximum hand size is reduced by four.

This spell can't be countered.

Target opponent reveals their hand. Exile all noncreature, nonland cards from that player's hand and graveyard.

Target opponent reveals their hand. You choose a nonland card from it. That player discards that card.

Surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

Devoid (This card has no color.)

Flying

Whenever you cast a colorless spell, target opponent exiles the top card of their library.

Cumulative upkeep—Exile the top card of your library. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

When a player doesn't pay Thought Lash's cumulative upkeep, that player exiles all cards from their library.

Exile the top card of your library: Prevent the next 1 damage that would be dealt to you this turn.

Flying

Your maximum hand size is reduced by two.

If you would draw a card, draw two cards instead.

Flash

Thought Sponge enters the battlefield with a number of +1/+1 counters on it equal to the greatest number of cards an opponent has drawn this turn.

When Thought Sponge dies, draw cards equal to its power.

Counter target spell with mana value 4 or less.

Flying

At the beginning of your upkeep, if a player controls more Wizards than each other player, the player who controls the most Wizards gains control of Thoughtbound Primoc.

, : Target player loses 1 life and reveals their hand.

( represents colorless mana.)

When Thought-Knot Seer enters the battlefield, target opponent reveals their hand. You choose a nonland card from it and exile that card.

When Thought-Knot Seer leaves the battlefield, target opponent draws a card.

Whenever an Island an opponent controls becomes tapped, you may gain 1 life.

Constellation — Whenever Thoughtrender Lamia or another enchantment enters the battlefield under your control, each opponent discards a card.

Target player reveals their hand. You choose a nonland card from it. That player discards that card. You lose 2 life.

First strike, vigilance

Champion a Kithkin (When this enters the battlefield, sacrifice it unless you exile another Kithkin you control. When this leaves the battlefield, that card returns to the battlefield.)

Thoughtweft Trio can block any number of creatures.

Replicate (When you cast this spell, copy it for each time you paid its replicate cost.)

Draw a card.

Defender

When Wall of Lost Thoughts enters the battlefield, target player mills four cards.