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 |
|---|---|---|---|
| Grizzled Outcasts | 4G | Creature — Human Werewolf | At the beginning of each upkeep, if no spells were cast last turn, transform Grizzled Outcasts. 4/4 |
| Hinterland Hermit | 1R | Creature — Human Werewolf | At the beginning of each upkeep, if no spells were cast last turn, transform Hinterland Hermit. 2/1 |
| Hinterland Logger | 1G | Creature — Human Werewolf | At the beginning of each upkeep, if no spells were cast last turn, transform Hinterland Logger. 2/1 |
| Lambholt Elder | 2G | Creature — Human Werewolf | At the beginning of each upkeep, if no spells were cast last turn, transform Lambholt Elder. 1/2 |
| Villagers of Estwald | 2G | Creature — Human Werewolf | At the beginning of each upkeep, if no spells were cast last turn, transform Villagers of Estwald. 2/3 |
| Obscura Ascendancy | WUB | Enchantment | Whenever you cast a spell, if its mana value is equal to 1 plus the number of soul counters on Obscura Ascendancy, put a soul counter on Obscura Ascendancy, then create a 2/2 white Spirit creature token with flying. As long as there are five or more soul counters on Obscura Ascendancy, Spirits you control get +3/+3. |
| Nim Devourer | 3BB | Creature — Zombie | Nim Devourer gets +1/+0 for each artifact you control. {B}{B}: Return Nim Devourer from your graveyard to the battlefield, then sacrifice a creature. Activate only during your upkeep. 4/1 |
| Loran of the Third Path | 2W | Legendary Creature — Human Artificer | Vigilance When Loran of the Third Path enters the battlefield, destroy up to one target artifact or enchantment. {T}: You and target opponent each draw a card. 2/1 |
| Anchor to Reality | 2UU | Sorcery | As an additional cost to cast this spell, sacrifice an artifact or creature. Search your library for an Equipment or Vehicle card, put that card onto the battlefield, then shuffle. If it has mana value less than the sacrificed permanent's mana value, scry 2. |
| Rustmouth Ogre | 4RR | Creature — Ogre | Whenever Rustmouth Ogre deals combat damage to a player, you may destroy target artifact that player controls. 5/4 |