| Azorius Signet (6 variants) | 240 |
| Azorius Chancery (6 variants) | 261 |
| Auramancer (6 variants) | 97 |
| Augur of Autumn (6 variants) | 171 |
| Athreos, Shroud-Veiled (6 variants) | 212 |
| Ashaya, Soul of the Wild (6 variants) | 170 |
| Ash Barrens (6 variants) | 260 |
| Arvinox, the Mind Flail (6 variants) | 130 |
| Arixmethes, Slumbering Isle (6 variants) | 211 |
| Archon of Cruelty | 371 |
| Archetype of Imagination (6 variants) | 111 |
| Arcane Signet (6 variants) | 92 |
| Arcane Sanctum (6 variants) | 259 |
| Arcane Denial (6 variants) | 110 |
| Arachnogenesis (6 variants) | 169 |
| Ancient Cellarspawn (6 variants) | 16 |
| Ancient Cellarspawn (7 variants) | 47 |
| Aminatou's Augury (6 variants) | 71 |
| Aminatou, Veil Piercer (8 variants) | 1 |
| Aether Gale (6 variants) | 109 |
| Aesi, Tyrant of Gyre Strait (6 variants) | 210 |
| Adarkar Wastes (6 variants) | 258 |
| A Premonition of Your Demise (6 variants) | 353 |