| Name | Set | Qty | Cond | Market | In decks |
|---|---|---|---|---|---|
| Closing Statement | STX | ×2 | NM | $0.10 | — |
| Cloud of Darkness | FIN | ×1 | NM | $0.21 | — |
| Cloud's Limit Break | FIC | ×1 | NM | $0.24 | — |
| Cloud, Planet's Champion | FIN | ×1 | NM | $1.65 | — |
| Cloudbound Moogle | FIN | ×1 | NM | $0.14 | — |
| Cloudkill | CLB | ×1 | NM | $0.25 | — |
| Cloudspire Captain | DFT | ×1 | NM | $0.28 | — |
| Cloudspire Coordinator | DFT | ×1 | NM | $0.21 | — |
| Cloudspire Skycycle | DFT | ×1 | NM | $0.15 | — |
| Cloudsteel Kirin | NEO | ×1 | NM | $0.38 | — |
| Coalition Skyknight | DMU | ×1 | NM | $0.10 | — |
| Coalition Victory | TSB | ×1 | NM | $5.40 | — |
| Coastal Discovery | BFZ | ×2 | NM | $0.04 | — |
| Coastline Marauders | CMR | ×2 | NM | $0.28 | — |
| Cobbled Lancer | INR | ×1 | NM | $0.12 | — |
| Cobbled Lancer | VOW | ×3 | NM | $0.17 | — |
| Codecracker Hound | EOE | ×2 | NM | $0.18 | — |
| Codex Shredder | CMR | ×1 | NM | $0.31 | — |
| Coercive Impetus | SOC | ×1 | NM | $0.42 | — |
| Coercive Recruiter | CMR | ×2 | NM | $0.34 | — |
| Colfenor, the Last Yew | CMR | ×2 | NM | $0.56 | — |
| Coliseum Behemoth | FIN | ×1 | NM | $0.19 | — |
| Coliseum Behemoth | FIN | ×1 | NM | $0.19 | — |
| Collective Inferno | ECL | ×1 | NM | $1.60 | — |
| Collector's Vault | WOE | ×1 | NM | $0.92 | — |
| Collector's Vault | WOE | ×1 | NM | $0.92 | — |
| Colleen Wing, Street Samurai | MSH | ×4 | NM | $0.19 | — |
| Colleen Wing, Street Samurai | MSH | ×1 | NM | $0.19 | — |
| Colossal Dreadmaw | M19 | ×1 | NM | $0.20 | — |
| Colossal Majesty | AFC | ×1 | NM | $1.97 | — |
| Colossus of Akros | THS | ×1 | NM | $1.62 | — |
| Combat Celebrant | AKH | ×1 | NM | $1.67 | — |
| Combat Research | DMU | ×1 | NM | $0.80 | — |
| Combat Research | DMU | ×1 | NM | $0.80 | — |
| Combat Thresher | BRO | ×3 | NM | $0.17 | — |
| Combust | M11 | ×1 | NM | $0.04 | — |
| Combustion Technique | TLA | ×1 | NM | $0.37 | — |
| Comforting Counsel | SOS | ×1 | NM | $0.32 | — |
| Command Tower | FIC | ×1 | NM | $0.31 | — |
| Commander Liara Portyr | CLB | ×2 | NM | $0.19 | — |
| Commander's Insight | C21 | ×1 | NM | $0.43 | — |
| Commune with Evil | DSK | ×1 | NM | $0.21 | — |
| Commune with the Gods | THS | ×1 | NM | $0.08 | — |
| Compulsion | WOT | ×1 | NM | $0.19 | — |
| Concealing Curtains // Revealing Eye | VOW | ×1 | NM | $0.36 | — |
| Concealing Curtains // Revealing Eye | VOW | ×1 | NM | $0.35 | — |
| Concerted Defense | ZNR | ×1 | NM | $0.20 | — |
| Conciliator's Duelist | SOS | ×1 | NM | $0.20 | — |
| Conciliator's Duelist | SOS | ×1 | NM | $0.20 | — |
| Conclave Naturalists | ORI | ×1 | NM | $0.09 | — |
| Condemn | M11 | ×4 | NM | $0.28 | — |
| Cone of Cold | CLB | ×1 | NM | $0.28 | — |
| Confiscate | CMR | ×1 | NM | $0.21 | — |
| Conflagrate | TSP | ×1 | NM | $0.25 | — |
| Conflagrate | TSR | ×1 | NM | $0.26 | — |
| Constrictor Sage | TDM | ×1 | NM | $0.14 | — |
| Construct a Cosmic Cube | MSH | ×3 | NM | $0.31 | — |
| Consume Spirit | M10 | ×1 | NM | $0.26 | — |
| Consuming Tide | VOW | ×1 | NM | $0.50 | — |
| Contagion Clasp | ONC | ×1 | NM | $0.44 | — |
| Contortionist Troupe | MID | ×2 | NM | $0.19 | — |
| Contraband Livestock | CLB | ×1 | NM | $0.37 | — |
| Convalescence | EXO | ×1 | NM | $0.32 | — |
| Convenient Target | MKM | ×1 | NM | $0.25 | — |
| Conversion Chamber | NPH | ×1 | NM | $0.11 | — |
| Cool but Rude | TMT | ×1 | NM | $7.19 | — |
| Copper Host Crusher | MOM | ×1 | NM | $0.27 | — |
| Coral Colony | DMU | ×3 | NM | $0.16 | — |
| Coral Fighters | DDI | ×1 | NM | $0.18 | — |
| Coral Sword | FIN | ×1 | NM | $0.20 | — |
| Coralhelm Chronicler | ZNR | ×1 | NM | $0.15 | — |
| Cori Mountain Stalwart | TDM | ×1 | NM | $0.15 | — |
| Cormela, Glamour Thief | SNC | ×2 | NM | $0.19 | — |
| Cormela, Glamour Thief | SNC | ×1 | NM | $1.09 | — |
| Cormela, Glamour Thief | SNC | ×3 | NM | $0.27 | — |
| Corpse Appraiser | SNC | ×4 | NM | $0.10 | — |
| Corpse Appraiser | SNC | ×2 | NM | $0.17 | — |
| Corpse Augur | C15 | ×2 | NM | $0.12 | — |
| Corpse Traders | AVR | ×1 | NM | $0.09 | — |
| Corroding Dragonstorm | TDM | ×1 | NM | $0.24 | — |
| Corrosive Gale | NPH | ×1 | NM | $0.14 | — |
| Corrupt | BRO | ×1 | NM | $0.12 | — |
| Corrupted Shapeshifter | MH3 | ×1 | NM | $0.26 | — |
| Cosmic Rebirth | MAT | ×1 | NM | $0.31 | — |
| Costume Closet | SPM | ×2 | NM | $0.11 | — |
| Costume Closet | SPM | ×1 | NM | $0.11 | — |
| Council's Deliberation | LTR | ×1 | NM | $0.17 | — |
| Countermand | JOU | ×1 | NM | $0.08 | — |
| Courageous Goblin | FDN | ×1 | NM | $0.11 | — |
| Courier of Comestibles | TMT | ×2 | NM | $0.21 | — |
| Courier's Briefcase | SNC | ×2 | NM | $0.25 | — |
| Coursers' Accord | RTR | ×1 | NM | $0.11 | — |
| Court of Ire | CMR | ×1 | NM | $0.39 | — |
| Covert Technician | NEO | ×2 | NM | $0.27 | — |
| Covert Technician | NEO | ×1 | NM | $0.26 | — |
| Coveted Jewel | BLC | ×2 | NM | $0.38 | — |
| Coveted Jewel | C18 | ×1 | NM | $0.39 | — |
| Coveted Jewel | MSC | ×1 | NM | $0.28 | — |
| Crackling Drake | C21 | ×1 | NM | $0.27 | — |
| Cradle Clearcutter | BRO | ×1 | NM | $0.15 | — |