53 cards where the text includes “unless you have two or more opponents” and the cards aren’t digital prints

Bountiful Promenade (Commander Legends: Battle for Baldur's Gate #348)
Bountiful Promenade (Battlebond #81)
Bountiful Promenade (Battle for Baldur's Gate Promos #348s)
Bountiful Promenade (Commander Legends: Battle for Baldur's Gate #601)
Bountiful Promenade (Zendikar Rising Expeditions #20)
Luxury Suite (Commander Legends: Battle for Baldur's Gate #355)
Luxury Suite (Battlebond #82)
Luxury Suite (Battle for Baldur's Gate Promos #355s)
Luxury Suite (Commander Legends: Battle for Baldur's Gate #602)
Luxury Suite (Zendikar Rising Expeditions #18)
Morphic Pool (Commander Legends: Battle for Baldur's Gate #357)
Morphic Pool (Battlebond #83)
Morphic Pool (Battle for Baldur's Gate Promos #357s)
Morphic Pool (Commander Legends: Battle for Baldur's Gate #603)
Morphic Pool (Zendikar Rising Expeditions #17)
Rejuvenating Springs (Commander Masters #424)
Rejuvenating Springs (Commander Legends #354)
Rejuvenating Springs (Commander Masters #617)
Rejuvenating Springs (Commander Masters #662)
Rejuvenating Springs (Tales of Middle-earth Commander #325)
Rejuvenating Springs (Commander Legends #709)
Sea of Clouds (Commander Legends: Battle for Baldur's Gate #360)
Sea of Clouds (Battlebond #84)
Sea of Clouds (The List #BBD-84)
Sea of Clouds (Battle for Baldur's Gate Promos #360s)
Sea of Clouds (Commander Legends: Battle for Baldur's Gate #605)
Sea of Clouds (Zendikar Rising Expeditions #16)
Spectator Seating (Commander Masters #427)
Spectator Seating (Commander Legends #356)
Spectator Seating (Commander Masters #618)
Spectator Seating (Commander Masters #664)
Spectator Seating (Commander Legends #711)
Spire Garden (Commander Legends: Battle for Baldur's Gate #361)
Spire Garden (Battlebond #85)
Spire Garden (Battle for Baldur's Gate Promos #361s)
Spire Garden (Commander Legends: Battle for Baldur's Gate #606)
Spire Garden (Zendikar Rising Expeditions #19)
Training Center (Commander Masters #434)
Training Center (Commander Legends #358)
Training Center (Commander Masters #619)
Training Center (Commander Masters #665)
Training Center (Commander Legends #713)
Training Center (The List #CMR-358)
Undergrowth Stadium (Commander Masters #435)
Undergrowth Stadium (Commander Legends #359)
Undergrowth Stadium (Commander Masters #620)
Undergrowth Stadium (Commander Masters #666)
Undergrowth Stadium (Commander Legends #714)
Vault of Champions (Commander Masters #436)
Vault of Champions (Commander Legends #360)
Vault of Champions (Commander Masters #621)
Vault of Champions (Commander Masters #667)
Vault of Champions (Commander Legends #715)

This search is finished. Now the real work can begin.