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 |
|---|---|---|---|
| Myr Prototype | 5 | Artifact Creature — Myr | At the beginning of your upkeep, put a +1/+1 counter on Myr Prototype. Myr Prototype can't attack or block unless you pay {1} for each +1/+1 counter on it. 2/2 |
| Rimefeather Owl | 5UU | Snow Creature — Bird | Flying Rimefeather Owl's power and toughness are each equal to the number of snow permanents on the battlefield. {1}{S}: Put an ice counter on target permanent. Permanents with ice counters on them are snow. */* |
| Decimate | 2RG | Sorcery | Destroy target artifact, target creature, target enchantment, and target land. (You can't cast this spell unless you have legal choices for all its targets.) |
| Atraxa's Fall | 1G | Sorcery | Destroy target artifact, battle, enchantment, or creature with flying. |
| Devout Witness | 2W | Creature — Human Spellshaper | {1}{W}, {T}, Discard a card: Destroy target artifact or enchantment. 2/2 |
| Broken Wings | 2G | Instant | Destroy target artifact, enchantment, or creature with flying. |
| Return to the Earth | 3G | Instant | Destroy target artifact, enchantment, or creature with flying. |
| Seeker | 2WW | Enchantment — Aura | Enchant creature Enchanted creature can't be blocked except by artifact creatures and/or white creatures. |
| Necrite | 1BB | Creature — Thrull | Whenever Necrite attacks and isn't blocked, you may sacrifice it. If you do, destroy target creature defending player controls. It can't be regenerated. 2/2 |
| Mindsplice Apparatus | 3U | Artifact | Flash At the beginning of your upkeep, put an oil counter on Mindsplice Apparatus. Instant and sorcery spells you cast cost {1} less to cast for each oil counter on Mindsplice Apparatus. |