7 cards where the text includes “guess” and the cards aren’t from an Unset

Gollum, Scheming Guide (The Lord of the Rings: Tales of Middle-earth #292)
Liar's Pendulum (Mirrodin #196)
Master of Predicaments (Magic 2015 #67)
Spire Phantasm (Conspiracy: Take the Crown #37)
The Celestial Toymaker (Secret Lair Drop #1582)
The Seventh Doctor (Doctor Who #158)
The Toymaker's Trap (Doctor Who #72)

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