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 |
|---|---|---|---|
| Myriad Construct | 4 | Artifact Creature — Construct | Kicker {3} If Myriad Construct was kicked, it enters the battlefield with a +1/+1 counter on it for each nonbasic land your opponents control. When Myriad Construct becomes the target of a spell, sacrifice it and create a number of 1/1 colorless Construct artifact creature tokens equal to its power. 4/4 |
| Fatal Mutation | B | Enchantment — Aura | Enchant creature When enchanted creature is turned face up, destroy it. It can't be regenerated. |
| Antarctic Research Base | Plane — Earth | When you planeswalk to Antarctic Research Base and at the beginning of your upkeep, investigate. Whenever chaos ensues, put X +1/+1 counters on target creature you control, where X is the number of artifacts you control. It becomes a Plant in addition to its other types. | |
| Voltaic Construct | 4 | Artifact Creature — Golem Construct | {2}: Untap target artifact creature. 2/2 |
| Decree of Pain | 6BB | Sorcery | Destroy all creatures. They can't be regenerated. Draw a card for each creature destroyed this way. Cycling {3}{B}{B} ({3}{B}{B}, Discard this card: Draw a card.) When you cycle Decree of Pain, all creatures get -2/-2 until end of turn. |
| Sheltering Ancient | 1G | Creature — Treefolk | Trample Cumulative upkeep—Put a +1/+1 counter on a creature an opponent controls. (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.) 5/5 |
| Bounty Agent | 1W | Creature — Human Soldier | Vigilance {T}, Sacrifice Bounty Agent: Destroy target legendary permanent that's an artifact, creature, or enchantment. 2/2 |
| Chimeric Mass | X | Artifact | Chimeric Mass enters the battlefield with X charge counters on it. {1}: Until end of turn, Chimeric Mass becomes a Construct artifact creature with "This creature's power and toughness are each equal to the number of charge counters on it." |
| Kenku Artificer | 2U | Creature — Bird Artificer | Homunculus Servant — When Kenku Artificer enters the battlefield, put three +1/+1 counters on up to one target noncreature artifact. That artifact becomes a 0/0 Homunculus artifact creature with flying. 1/1 |
| Volcanic Fallout | 1RR | Instant | This spell can't be countered. Volcanic Fallout deals 2 damage to each creature and each player. |