| Name | Cost | Price |
|---|---|---|
| Apex Altisaur | $8.23 | |
| Apex Hawks | $0.11 | |
| Apex of Power | $1.37 | |
| Aphelia, Viper Whisperer | $17.83 | |
| Aphetto Exterminator | $0.11 | |
| Aphetto Grifter | $0.16 | |
| Aphetto Vulture | $0.20 | |
| Aphotic Wisps | $0.60 | |
| Apocalypse Demon | $0.27 | |
| Apocalypse Hydra | $0.73 | |
| Apothecary Geist | $0.04 | |
| Apothecary White | $4.82 | |
| Appa, Aang's Companion | — | |
| Appa, Steadfast Guardian | $12.52 | |
| Appeal // Authority | $0.27 | |
| Appetite for Brains | $0.07 | |
| Apple of Eden, Isu Relic | $0.71 | |
| Applied Geometry | $0.39 | |
| Apprentice Necromancer | $1.21 | |
| Apprentice Wizard | $6.81 | |
| April O'Neil, Hacktivist | — | |
| April, Reporter of the Weird | $0.18 | |
| Aquamoeba | $0.30 | |
| Aquatic Incursion | $0.17 |