Imprint — When Thought Prison enters the battlefield, you may have target player reveal their hand. If you do, choose a nonland card from it and exile that card. Whenever a player casts a spell that shares a color or mana value with the exiled card, Thought Prison deals 2 damage to that player.
"As you inject the viscus vitae into the brain stem, don't let the spastic moaning bother you. It will soon become music to your ears." —Stitcher Geralf
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.
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.
"As the rest of the mortal world waged war, Lady Azami and her students invaded tomes of knowledge. Their search yielded spells critical in the fight." —Observations of the Kami War
Defender Whenever you surveil, put a +1/+1 counter on Thoughtbound Phantasm. As long as Thoughtbound Phantasm has three or more +1/+1 counters on it, it can attack as though it didn't have defender.
Ninjutsu {2}{U}{U} Flying When Thousand-Faced Shadow enters the battlefield from your hand, if it's attacking, create a token that's a copy of another target attacking creature. The token enters the battlefield tapped and attacking.
Ninjutsu {2}{U} Flying When Thousand-Faced Shadow enters the battlefield from your hand, if it's attacking, create a token that's a copy of another target attacking creature. The token enters the battlefield tapped and attacking.
"Every device in the rig is evidence of Thran enlightenment. All mana was the same to them, whether from rock or water, growth or decay. Can you imagine such unity of vision?" —Urza, journal
Reach When Thran Spider enters the battlefield, you and target opponent each create a tapped Powerstone token. {7}: Look at the top four cards of your library. You may reveal an artifact card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.
Reach When Thran Spider enters the battlefield, you and target opponent each create a tapped Powerstone token. {7}: Look at the top four cards of your library. Put one of them into your hand and the rest on the bottom of your library in a random order.