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 |
|---|---|---|---|
| Touch of the Eternal | 5WW | Enchantment | At the beginning of your upkeep, count the number of permanents you control. Your life total becomes that number. |
| Hearth Kami | 1R | Creature — Spirit | {X}, Sacrifice Hearth Kami: Destroy target artifact with mana value X. 2/1 |
| Honden of Infinite Rage | 2R | Legendary Enchantment — Shrine | At the beginning of your upkeep, Honden of Infinite Rage deals damage to any target equal to the number of Shrines you control. |
| Tuktuk Scrapper | 3R | Creature — Goblin Artificer Ally | Whenever Tuktuk Scrapper or another Ally enters the battlefield under your control, you may destroy target artifact. If that artifact is put into a graveyard this way, Tuktuk Scrapper deals damage to that artifact's controller equal to the number of Allies you control. 2/2 |
| Plague Spores | 4BR | Sorcery | Destroy target nonblack creature and target land. They can't be regenerated. |
| Devour in Shadow | BB | Instant | Destroy target creature. It can't be regenerated. You lose life equal to that creature's toughness. |
| Hit | 1BR | Instant | Target player sacrifices an artifact or creature. Hit deals damage to that player equal to that permanent's mana value. |
| Pernicious Deed | 1BG | Enchantment | {X}, Sacrifice Pernicious Deed: Destroy each artifact, creature, and enchantment with mana value X or less. |
| Churning Reservoir | R | Artifact | At the beginning of your upkeep, put an oil counter on another target nontoken artifact or creature you control. {2}, {T}: Create a 1/1 red Phyrexian Goblin creature token. Activate only if an oil counter was removed from a permanent you controlled this turn or a permanent with an oil counter on it was put into a graveyard this turn. |
| Imminent Doom | 2R | Enchantment | Imminent Doom enters the battlefield with a doom counter on it. Whenever you cast a spell with mana value equal to the number of doom counters on Imminent Doom, Imminent Doom deals that much damage to any target. Then put a doom counter on Imminent Doom. |