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 |
|---|---|---|---|
| Rogue Skycaptain | 2R | Creature — Human Rogue Mercenary | Flying At the beginning of your upkeep, put a wage counter on Rogue Skycaptain. You may pay {2} for each wage counter on it. If you don't, remove all wage counters from Rogue Skycaptain and an opponent gains control of it. 3/4 |
| Lucky Offering | W | Sorcery | Destroy target artifact with mana value 3 or less. You gain 3 life. |
| Damnation | 2BB | Sorcery | Destroy all creatures. They can't be regenerated. |
| Wrath of God | 2WW | Sorcery | Destroy all creatures. They can't be regenerated. |
| Helix Pinnacle | G | Enchantment | Shroud (This enchantment can't be the target of spells or abilities.) {X}: Put X tower counters on Helix Pinnacle. At the beginning of your upkeep, if there are 100 or more tower counters on Helix Pinnacle, you win the game. |
| Karn, the Great Creator | 4 | Legendary Planeswalker — Karn | Activated abilities of artifacts your opponents control can't be activated. [+1]: Until your next turn, up to one target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value. [−2]: You may reveal an artifact card you own from outside the game or choose a face-up artifact card you own in exile. Put that card into your hand. Loyalty 5 |
| March of the Machines | 3U | Enchantment | Each noncreature artifact is an artifact creature with power and toughness each equal to its mana value. (Equipment that's a creature can't equip a creature.) |
| Catastrophe | 4WW | Sorcery | Destroy all lands or all creatures. Creatures destroyed this way can't be regenerated. |
| Trade Caravan | W | Creature — Human Nomad | At the beginning of your upkeep, put a currency counter on Trade Caravan. Remove two currency counters from Trade Caravan: Untap target basic land. Activate only during an opponent's upkeep. 1/1 |
| Aether Vial | 1 | Artifact | At the beginning of your upkeep, you may put a charge counter on Aether Vial. {T}: You may put a creature card with mana value equal to the number of charge counters on Aether Vial from your hand onto the battlefield. |