51 cards where the full Oracle text includes “partner”

Akiri, Line-Slinger (C16)
Alena, Kessig Trapper (CMR)
Blaring Captain (BBD)
Blaring Recruiter (BBD)
Brallin, Skyshark Rider (C20)
Bruse Tarl, Boorish Herder (C16)
Cazur, Ruthless Stalker (C20)
Chakram Retriever (BBD)
Chakram Slinger (BBD)
Gorm the Great (PLIST)
Halana, Kessig Ranger (CMR)
Haldan, Avid Arcanist (C20)
Ikra Shidiqi, the Usurper (CM2)
Impetuous Protege (BBD)
Ishai, Ojutai Dragonspeaker (CM2)
Khorvath Brightflame (BBD)
Kraum, Ludevic's Opus (C16)
Krav, the Unredeemed (BBD)
Kydele, Chosen of Kruphix (C16)
Ley Weaver (BBD)
Lore Weaver (BBD)
Ludevic, Necro-Alchemist (C16)
Nikara, Lair Scavenger (C20)
Okaun, Eye of Chaos (BBD)
Pako, Arcane Retriever (C20)
Pir, Imaginative Rascal (BBD)
Proud Mentor (BBD)
Ravos, Soultender (C16)
Regna, the Redeemer (BBD)
Reyhan, Last of the Abzan (CM2)
Rowan Kenrith (BBD)
Sengir, the Dark Baron (CMR)
Shabraz, the Skyshark (C20)
Sidar Kondo of Jamuraa (C16)
Silas Renn, Seeker Adept (C16)
Silvar, Devourer of the Free (C20)
Soulblade Corrupter (BBD)
Soulblade Renewer (BBD)
Sylvia Brightspear (BBD)
Tana, the Bloodsower (C16)
The Prismatic Piper (CMR)
Thrasios, Triton Hero (C16)
Toothy, Imaginary Friend (BBD)
Trynn, Champion of Freedom (C20)
Tymna the Weaver (C16)
Ukkima, Stalking Shadow (C20)
Vial Smasher the Fierce (C16)
Virtus the Veiled (PLIST)
Will Kenrith (BBD)
Yannik, Scavenging Sentinel (C20)
Zndrsplt, Eye of Wisdom (BBD)

Their mind whirled with grand plans, never thinking of what might happen if they got to the end of the list.