Target opponent reveals each nonland card in their hand. You choose one of those cards. Exile that card. Threshold — If seven or more cards are in your graveyard, seek a Rat card. It perpetually gains "This spell costs {1} less to cast."
When Thought-Knot Seer enters, 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.
Its gaze gifts you with knowledge no mortal mind should possess.
At the beginning of your upkeep, exile the top card of target opponent's library face down. You lose life equal to its mana value. You may look at and play that card for as long as it remains exiled, and mana of any type can be spent to cast that spell.
When Thousand Moons Smithy enters, create a white Gnome Soldier artifact creature token with "This creature's power and toughness are each equal to the number of artifacts and/or creatures you control." At the beginning of your first main phase, you may tap five untapped artifacts and/or creatures you control. If you do, transform Thousand Moons Smithy.
Ninjutsu {2}{U}{U} Flying When Thousand-Faced Shadow enters from your hand, if it's attacking, create a token that's a copy of another target attacking creature. The token enters tapped and attacking.
Ninjutsu {2}{U} Flying When Thousand-Faced Shadow enters from your hand, if it's attacking, create a token that's a copy of another target attacking creature. The token enters tapped and attacking.
Whenever you cast an instant or sorcery spell, copy it for each other instant and sorcery spell you've cast before it this turn. You may choose new targets for the copies.