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 |
|---|---|---|---|
| Seal of Cleansing | 1W | Enchantment | Sacrifice Seal of Cleansing: Destroy target artifact or enchantment. |
| Seal of Primordium | 1G | Enchantment | Sacrifice Seal of Primordium: Destroy target artifact or enchantment. |
| The Tabernacle at Pendrell Vale | Legendary Land | All creatures have "At the beginning of your upkeep, destroy this creature unless you pay {1}." | |
| Font of Agonies | B | Enchantment | Whenever you pay life, put that many blood counters on Font of Agonies. {1}{B}, Remove four blood counters from Font of Agonies: Destroy target creature. |
| Knight of the Mists | 2U | Creature — Human Knight | Flanking (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.) When Knight of the Mists enters the battlefield, you may pay {U}. If you don't, destroy target Knight and it can't be regenerated. 2/2 |
| Skrelv's Hive | 1W | Enchantment | At the beginning of your upkeep, you lose 1 life and create a 1/1 colorless Phyrexian Mite artifact creature token with toxic 1 and "This creature can't block." Corrupted — As long as an opponent has three or more poison counters, creatures you control with toxic have lifelink. |
| Caustic Caterpillar | G | Creature — Insect | {1}{G}, Sacrifice Caustic Caterpillar: Destroy target artifact or enchantment. 1/1 |
| Blood Curdle | 3B | Instant | Destroy target creature. Put a menace counter on a creature you control. (It can't be blocked except by two or more creatures.) |
| Cloistered Youth | 1W | Creature — Human | At the beginning of your upkeep, you may transform Cloistered Youth. 1/1 |
| Needlebug | 4 | Artifact Creature — Insect | Flash Protection from artifacts 2/2 |