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 |
|---|---|---|---|
| Traverse Eternity | 2UU | Sorcery | Draw cards equal to the highest mana value among historic permanents you control. (Artifacts, legendaries, and Sagas are historic.) |
| Kappa Tech-Wrecker | 1G | Creature — Turtle Ninja | Ninjutsu {1}{G} Kappa Tech-Wrecker enters the battlefield with a deathtouch counter on it. Whenever Kappa Tech-Wrecker deals combat damage to a player, you may remove a deathtouch counter from it. When you do, exile target artifact or enchantment that player controls. 1/3 |
| Thallid | G | Creature — Fungus | At the beginning of your upkeep, put a spore counter on Thallid. Remove three spore counters from Thallid: Create a 1/1 green Saproling creature token. 1/1 |
| Rush of Knowledge | 4U | Sorcery | Draw cards equal to the highest mana value among permanents you control. |
| Clergy of the Holy Nimbus | W | Creature — Human Cleric | If Clergy of the Holy Nimbus would be destroyed, regenerate it. {1}: Clergy of the Holy Nimbus can't be regenerated this turn. Only your opponents may activate this ability. 1/1 |
| Aura Shards | 1GW | Enchantment | Whenever a creature enters the battlefield under your control, you may destroy target artifact or enchantment. |
| Agadeem Occultist | 2B | Creature — Human Shaman Ally | {T}: Put target creature card from an opponent's graveyard onto the battlefield under your control if its mana value is less than or equal to the number of Allies you control. 0/2 |
| Reclusive Wight | 3B | Creature — Zombie Minion | At the beginning of your upkeep, if you control another nonland permanent, sacrifice Reclusive Wight. 4/4 |
| Spirit Mirror | 2WW | Enchantment | At the beginning of your upkeep, if there are no Reflection tokens on the battlefield, create a 2/2 white Reflection creature token. {0}: Destroy target Reflection. |
| Crovax the Cursed | 2BB | Legendary Creature — Vampire Noble | Crovax the Cursed enters the battlefield with four +1/+1 counters on it. At the beginning of your upkeep, you may sacrifice a creature. If you do, put a +1/+1 counter on Crovax. If you don't, remove a +1/+1 counter from Crovax. {B}: Crovax gains flying until end of turn. 0/0 |