29 cards where the cards aren’t reprints and the card types include “gate”

Simic Guildgate (Gatecrash #246)
Golgari Guildgate (Return to Ravnica #239)
The Black Gate (Tales of Middle-earth Commander #80)
Dimir Guildgate (Gatecrash #241)
Izzet Guildgate (Return to Ravnica #242)
Boros Guildgate (Gatecrash #239)
Orzhov Guildgate (Gatecrash #244)
Selesnya Guildgate (Return to Ravnica #246)
Rakdos Guildgate (Return to Ravnica #244)
Gruul Guildgate (Gatecrash #243)
Azorius Guildgate (Return to Ravnica #237)
Manor Gate (Commander Legends: Battle for Baldur's Gate #356)
Black Dragon Gate (Commander Legends: Battle for Baldur's Gate #347)
Sea Gate (Commander Legends: Battle for Baldur's Gate #359)
Gond Gate (Commander Legends: Battle for Baldur's Gate #353)
Gateway Plaza (Guilds of Ravnica #247)
Baldur's Gate (Commander Legends: Battle for Baldur's Gate #345)
Cliffgate (Commander Legends: Battle for Baldur's Gate #350)
Talon Gates of Madara (Modern Horizons 3 Commander #82)
Citadel Gate (Commander Legends: Battle for Baldur's Gate #349)
Basilisk Gate (Commander Legends: Battle for Baldur's Gate #346)
Heap Gate (Commander Legends: Battle for Baldur's Gate #354)
Thran Portal (Dominaria United #259)
A-Thran Portal (Dominaria United #A-259)
Gate of the Black Dragon (Alchemy Horizons: Baldur's Gate #77)
Gate to Manorborn (Alchemy Horizons: Baldur's Gate #78)
Gate to Seatower (Alchemy Horizons: Baldur's Gate #79)
Gate to the Citadel (Alchemy Horizons: Baldur's Gate #80)
Gate to Tumbledown (Alchemy Horizons: Baldur's Gate #81)

Though this query has ended, its relics still slumber in New Argive.