| Name | Cost | Price |
|---|---|---|
| Ambassador Oak |
| $0.14 |
| Amber Gristle O'Maul | $0.13 |
| Amber Prison | $0.43 |
| Ambition's Cost | $0.12 |
| Ambitious Aetherborn | $0.21 |
| Ambitious Augmenter | $0.36 |
| Ambitious Farmhand // Seasoned Cathar | $0.21 |
| Ambrosia Whiteheart | $0.76 |
| Ambulatory Edifice | $0.05 |
| Ambuscade | $0.13 |
| Ambush Commander | $0.40 |
| Ambush Party | $0.05 |
| Ambush Viper | $0.19 |
| Ambush Wolf | $0.15 |
| Amethyst Dragon // Explosive Crystal | — |
| Aminatou's Augury | $0.40 |
| Aminatou, the Fateshifter | $5.96 |
| Ammit Eternal | $1.16 |
| Amoeboid Changeling | $1.12 |
| Amonkhet Raceway | $0.34 |
| Amorphous Axe | $0.23 |
| Amped Raptor | $0.22 |
| Amphibian Downpour | $1.44 |
| Amphibious Kavu | $0.07 |