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 |
|---|---|---|---|
| Flow of Maggots | 2B | Creature — Insect | 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.) Flow of Maggots can't be blocked by non-Wall creatures. 2/2 |
| Hanna's Custody | 2W | Enchantment | All artifacts have shroud. (They can't be the targets of spells or abilities.) |
| Court of Ardenvale | 2WW | Enchantment | When Court of Ardenvale enters the battlefield, you become the monarch. At the beginning of your upkeep, return target permanent card with mana value 3 or less from your graveyard to your hand. If you're the monarch, return that permanent card to the battlefield instead. |
| Viridian Shaman | 2G | Creature — Elf Shaman | When Viridian Shaman enters the battlefield, destroy target artifact. 2/2 |
| Prismatic Ending | XW | Sorcery | Converge — Exile target nonland permanent if its mana value is less than or equal to the number of colors of mana spent to cast this spell. |
| Fungal Behemoth | 3G | Creature — Fungus | Fungal Behemoth's power and toughness are each equal to the number of +1/+1 counters on creatures you control. Suspend X—{X}{G}{G}. X can't be 0. (Rather than cast this card from your hand, you may pay {X}{G}{G} and exile it with X time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost. It has haste.) Whenever a time counter is removed from Fungal Behemoth while it's exiled, you may put a +1/+1 counter on target creature. */* |
| Ascendant Acolyte | 4G | Creature — Human Monk | Ascendant Acolyte enters the battlefield with a +1/+1 counter on it for each +1/+1 counter among other creatures you control. At the beginning of your upkeep, double the number of +1/+1 counters on Ascendant Acolyte. 1/1 |
| Shrewd Negotiation | 4U | Sorcery | Exchange control of target artifact you control and target artifact or creature you don't control. |
| Soul Tithe | 1W | Enchantment — Aura | Enchant nonland permanent At the beginning of the upkeep of enchanted permanent's controller, that player sacrifices it unless they pay {X}, where X is its mana value. |
| Annul | U | Instant | Counter target artifact or enchantment spell. |