| Archaeomancer's Map | C21-12 |
| Archaeomancer | M14-43 |
| Archaeomancer | C17-81 |
| Arch of Orazca | RIX-185 |
| Arcbound Slith | DST-102 |
| Arcbound Overseer | DST-99 |
| Arcbound Mouser | MH2-3 |
| Arcanis the Omnipotent | DDN-42 |
| Arcane Teachings | JUD-78† |
| Arcane Teachings | JUD-78 |
| Arcane Signet | OTC-252 |
| Arcane Signet | MKC-223 |
| Arcane Signet | C21-234 |
| Arcane Signet | MIC-157 |
| Arcane Signet | ELD-331 |
| Arcane Sanctum | C18-232 |
| Arcane Sanctum | MOC-390 |
| Arcane Melee | C13-29 |
| Arcane Laboratory | 7ED-60 |
| Arcane Denial | OTC-89 |
| Arcane Denial | CMA-30 |
| Arcane Adaptation | XLN-46 |
| Arcades, the Strategist | M19-212 |
| Arc Trail | PCA-39 |
| Arc Lightning | USG-174 |
| Arbor Elf | A25-160 |
| Arbor Armament | DOM-155 |
| Arachnus Web | MM3-118 |
| Aqueous Form | THS-39 |
| Approach of the Second Sun | AKH-4 |
| Apprentice Sorcerer | P02-32 |
| Apprentice Necromancer | UMA-84 |
| Apostle's Blessing | MM2-8 |
| Aphotic Wisps | SHM-55 |
| Aphetto Exterminator | LGN-59 |
| Aphetto Alchemist | ONS-64 |
| Ape | TTSR-10 |
| Anticipate | M19-44 |
| Antagonize | SNC-100 |
| Anointer Priest | AKH-3 |
| Anointed Procession | AKH-2 |
| Annihilate | EMA-79 |
| Annex | ONS-63 |
| Animate Dead | EMA-78 |
| Animar, Soul of Elements | A25-196 |
| Animal Sanctuary | M21-242 |
| Angrath, Captain of Chaos | WAR-227 |
| Anger of the Gods | IMA-116 |
| Anger | JUD-77 |
| Anger | UMA-122 |