M:tG card similarity search
1BR · Enchantment
Cumulative upkeep {1} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) At the beginning of your upkeep, put a rust counter on each artifact target opponent controls. Then destroy each artifact with mana value less than or equal to the number of rust counters on it. Artifacts destroyed this way can't be regenerated. When Corrosion leaves the battlefield, remove all rust counters from all permanents.
| Name | Mana | Type | Text |
|---|---|---|---|
| Ancient Runes | 2R | Enchantment | At the beginning of each player's upkeep, Ancient Runes deals damage to that player equal to the number of artifacts they control. |
| Engineered Explosives | X | Artifact | Sunburst (This enters the battlefield with a charge counter on it for each color of mana spent to cast it.) {2}, Sacrifice Engineered Explosives: Destroy each nonland permanent with mana value equal to the number of charge counters on Engineered Explosives. |
| Smokestack | 4 | Artifact | At the beginning of your upkeep, you may put a soot counter on Smokestack. At the beginning of each player's upkeep, that player sacrifices a permanent for each soot counter on Smokestack. |
| Granulate | 2RR | Sorcery | Destroy each nonland artifact with mana value 4 or less. |
| Loxodon Mender | 5W | Creature — Elephant Cleric | {W}, {T}: Regenerate target artifact. 3/3 |
| Gorilla Shaman | R | Creature — Ape Shaman | {X}{X}{1}: Destroy target noncreature artifact with mana value X. 1/1 |
| Clearwater Goblet | 5 | Artifact | Sunburst (This enters the battlefield with a charge counter on it for each color of mana spent to cast it.) At the beginning of your upkeep, you may gain life equal to the number of charge counters on Clearwater Goblet. |
| Malignant Growth | 3GU | Enchantment | Cumulative upkeep {1} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) At the beginning of your upkeep, put a growth counter on Malignant Growth. At the beginning of each opponent's draw step, that player draws an additional card for each growth counter on Malignant Growth, then Malignant Growth deals damage to the player equal to the number of cards they drew this way. |
| Plague Boiler | 3 | Artifact | At the beginning of your upkeep, put a plague counter on Plague Boiler. {1}{B}{G}: Put a plague counter on Plague Boiler or remove a plague counter from it. When Plague Boiler has three or more plague counters on it, sacrifice it. If you do, destroy all nonland permanents. |
| Artifact Mutation | RG | Instant | Destroy target artifact. It can't be regenerated. Create X 1/1 green Saproling creature tokens, where X is that artifact's mana value. |