Brainstorm

Instant

Dreamstone Hedron

Artifact

Mind Stone

Artifact

Loreseeker's Stone

Artifact

The Stone Brain

Legendary Artifact

Kaleidostone

Artifact

Sensei's Divining Top

Artifact

Thirst for Knowledge

Instant

Amass the Components

Sorcery

Rakdos Cluestone

Artifact

Ideas Unbound

Sorcery — Arcane

Stonespeaker Crystal

Artifact

Hedron Archive

Artifact

Azorius Cluestone

Artifact

Brainsurge

Instant

Lodestone Bauble

Artifact

Tezzeret's Ambition

Sorcery

Izzet Cluestone

Artifact

Golgari Cluestone

Artifact

Oracle's Vault

Artifact

Orzhov Cluestone

Artifact

Reprocess

Sorcery

Implement of Examination

Artifact

Stern Lesson

Instant

Boros Cluestone

Artifact

Conjurer's Bauble

Artifact

Dimir Cluestone

Artifact

Gruul Cluestone

Artifact

Brilliant Plan

Sorcery

Mardu Banner

Artifact

Manipulate Fate

Sorcery