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 |
|---|---|---|---|
| Golem Foundry | 3 | Artifact | Whenever you cast an artifact spell, you may put a charge counter on Golem Foundry. Remove three charge counters from Golem Foundry: Create a 3/3 colorless Golem artifact creature token. |
| Divine Gambit | WW | Sorcery | Exile target artifact, creature, or enchantment an opponent controls. That player may put a permanent card from their hand onto the battlefield. |
| Robobrain War Mind | 3U | Artifact Creature — Robot | Robobrain War Mind's power is equal to the number of cards in your hand. When Robobrain War Mind enters the battlefield, you get an amount of {E} (energy counters) equal to the number of artifact creatures you control. Whenever Robobrain War Mind attacks, you may pay {E}{E}{E}. If you do, draw a card. */5 |
| Benevolent Geist | Creature — Spirit Wizard | Flying Noncreature spells you control can't be countered. If Benevolent Geist would be put into a graveyard from anywhere, exile it instead. 2/2 | |
| Utopia Mycon | G | Creature — Fungus | At the beginning of your upkeep, put a spore counter on Utopia Mycon. Remove three spore counters from Utopia Mycon: Create a 1/1 green Saproling creature token. Sacrifice a Saproling: Add one mana of any color. 0/2 |
| Reckless Waif | R | Creature — Human Rogue Werewolf | At the beginning of each upkeep, if no spells were cast last turn, transform Reckless Waif. 1/1 |
| Afflicted Deserter | 3R | Creature — Human Werewolf | At the beginning of each upkeep, if no spells were cast last turn, transform Afflicted Deserter. 3/2 |
| Convicted Killer | 2R | Creature — Human Werewolf | At the beginning of each upkeep, if no spells were cast last turn, transform Convicted Killer. 2/2 |
| Gatstaf Arsonists | 4R | Creature — Human Werewolf | At the beginning of each upkeep, if no spells were cast last turn, transform Gatstaf Arsonists. 5/4 |
| Gatstaf Shepherd | 1G | Creature — Human Werewolf | At the beginning of each upkeep, if no spells were cast last turn, transform Gatstaf Shepherd. 2/2 |