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
This game saw an expanded story mode involving the evil organisation stealing not only cards, but capturing people too
A common case being on combat tricks like [c]Rangers Guile[/c] and [c]Snakeskin Veil[/c], and sometimes those big creatures that are hard to interact with are positive additions to their environments (looking at you, [c]Carnage Tyrant[/c])
Only 39 copies are believed to exist, with 24 graded at PSA, making it an incredibly sought-after card among collectors
Fusion Summon 1 Fusion Monster from your Extra Deck that mentions that monster as material, by shuffling it into the Deck as material (this is treated as a Fusion Summon with "The Eye of Timaeus"), but banish it during the End Phase of the next turn
Krenko, Mob Boss Want to have an outrageous number of MTG goblins