x1 Wild card (of any rarity)
That passive ability, however, lets you cast the top card of your library whenever you scry or surveil, is what makes the card so busted
Brainstorm Played across a variety of formats, Brainstorm reigns supreme as the gold standard for cantrips
Absolute Virtue Aettir and Priwen Clive, Ifrit's Dominant Cloud, Midgar Mercenary Cloud, Planet's Champion Emet-Selch, Unsundered Esper Terra Gogo, Master of Mimicry Hades, Sorcerer of Eld Ifrit, Warden of Inferno Kefka, Court Mage Kefka, Ruler of Ruin Lightning, Army of One Sephiroth, Fabled SOLDIER Sephiroth, One-Winged Angel Sephiroth, Planet's Heir Terra, Magical Adept Vivi Ornitier Y'shtola Rhul Yuna, Hope of Spira
Outside of this option, Flash Photography is also notable for coming down at instant speed when it targets your own stuff
Investigators Journal Mazemind Tome saw a lot of play throughout its time in Standard and while Investigator's Journal is not guaranteed to draw three cards each time, in certain matchups it can potentially do more than that
