| Arcane Denial | CMA-30 |
| Arcane Laboratory | 7ED-60 |
| Arcane Melee | C13-29 |
| Arcane Sanctum | C18-232 |
| Arcane Sanctum | MOC-390 |
| Arcane Signet | OTC-252 |
| Arcane Signet | MKC-223 |
| Arcane Signet | C21-234 |
| Arcane Signet | MIC-157 |
| Arcane Signet | ELD-331 |
| Arcane Teachings | JUD-78† |
| Arcane Teachings | JUD-78 |
| Arcanis the Omnipotent | DDN-42 |
| Arcbound Mouser | MH2-3 |
| Arcbound Overseer | DST-99 |
| Arcbound Slith | DST-102 |
| Arch of Orazca | RIX-185 |
| Archaeomancer | M14-43 |
| Archaeomancer | C17-81 |
| Archaeomancer's Map | C21-12 |
| Archangel | C13-5 |
| Archangel of Tithes | ORI-4 |
| Archetype of Aggression | BNG-88 |
| Archetype of Endurance | BNG-116 |
| Archetype of Finality | BNG-58 |
| Archetype of Imagination | C18-81 |
| Archfiend of Sorrows | MH2-74 |
| Architects of Will | ARB-17 |
| Archive Trap | ZEN-41 |
| Archivist of Oghma | CLB-4 |
| Archmage Emeritus | STX-37 |
| Archon of Absolution | ELD-3 |
| Archway Angel | RNA-3 |
| Archway Commons | STX-263 |
| Arcum's Astrolabe | MH1-220 |
| Ardent Elementalist | MID-128 |
| Ardent Plea | ARB-1 |
| Arena of Glory | MH3-215 |
| Argentum Armor | AFC-198 |
| Argivian Find | WTH-6 |
| Argivian Restoration | DDF-69 |
| Argothian Elder | USG-233 |
| Argothian Opportunist | BRO-167 |
| Arlinn Kord // Arlinn, Embraced by the Moon | SOI-243 |
| Arlinn, Embraced by the Moon Emblem | TSOI-18 |
| Arlinn, the Pack's Hope // Arlinn, the Moon's Fury | MID-211 |
| Arlinn, Voice of the Pack | WAR-150 |
| Armadillo Cloak | EMA-195 |
| Armament Corps | KTK-165 |
| Armillary Sphere | C17-203 |