Stream of Thought

one blue mana Sorcery

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

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

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Price

0.74 $

12 printings

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Stream of Thought rulings

2019-06-14
Stream of Thought is still on the stack while you choose cards in your graveyard to shuffle into your library. It can’t shuffle itself into your library.
2019-06-14
If you replicate Stream of Thought, the copies resolve before the original spell, so they can’t shuffle Stream of Thought into your library.
2019-06-14
You choose which cards to shuffle into your library while Stream of Thought is resolving. If you target yourself with Stream of Thought, you may choose any of the four cards that you put into your graveyard or any cards that were there before.
2019-06-14
You’ll copy Stream of Thought for each time you paid its replicate cost, even if it’s countered.
2019-06-14
The copies that replicate creates are created on the stack, so they’re not “cast.” Abilities that trigger when a player casts a spell won’t trigger.

Stream of Thought keyword rules

Replicate Rule 702.56

Replicate is a keyword that represents two abilities. The first is a static ability that functions while the spell with replicate is on the stack. The second is a triggered ability that functions while the spell with replicate is on the stack. “Replicate [cost]” means “As an additional cost to cast this spell, you may pay [cost] any number of times” and “When you cast this spell, if a replicate cost was paid for it, copy it for each time its replicate cost was paid. If the spell has any targets, you may choose new targets for any of the copies.” Paying a spell’s replicate cost follows the rules for paying additional costs in rules and –h.

If a spell has multiple instances of replicate, each is paid separately and triggers based on the payments made for it, not any other instance of replicate.

Mill Rule 701.13

For a player to mill a number of cards, that player puts that many cards from the top of their library into their graveyard.

A player can’t mill a number of cards greater than the number of cards in their library. If given the choice to do so, they can’t choose to take that action. If instructed to do so, they mill as many as possible. Similarly, the player can’t pay a cost that includes milling a number of cards greater than the number of cards in their library.

An effect that refers to a milled card can find that card in the zone it moved to from the library, as long as that zone is a public zone.

If an ability checks information about a single milled card but more than one card was milled, that ability refers to each of the milled cards. If that ability asks for any information about the milled card, such as a characteristic or mana value, it gets multiple answers. If these answers are used to determine the value of a variable, the sum of the answers is used. If that ability performs any actions on “the” card, it performs that action on each milled card. If that ability performs any actions on “a” card, the controller of the ability chooses which card is affected.