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 |
|---|---|---|---|
| Befoul | 2BB | Sorcery | Destroy target land or nonblack creature. It can't be regenerated. |
| Cyclopean Tomb | 4 | Artifact | {2}, {T}: Put a mire counter on target non-Swamp land. That land is a Swamp for as long as it has a mire counter on it. Activate only during your upkeep. When Cyclopean Tomb is put into a graveyard from the battlefield, at the beginning of each of your upkeeps for the rest of the game, remove all mire counters from a land that a mire counter was put onto with Cyclopean Tomb but that a mire counter has not been removed from with Cyclopean Tomb. |
| Murderous Betrayal | BBB | Enchantment | {B}{B}, Pay half your life, rounded up: Destroy target nonblack creature. It can't be regenerated. |
| All Hallow's Eve | 2BB | Sorcery | Exile All Hallow's Eve with two scream counters on it. At the beginning of your upkeep, if All Hallow's Eve is exiled with a scream counter on it, remove a scream counter from it. If there are no more scream counters on it, put it into your graveyard and each player returns all creature cards from their graveyard to the battlefield. |
| Viscerid Drone | 1U | Creature — Homarid Drone | {T}, Sacrifice a creature and a Swamp: Destroy target nonartifact creature. It can't be regenerated. {T}, Sacrifice a creature and a snow Swamp: Destroy target creature. It can't be regenerated. 1/2 |
| Suleiman's Legacy | RW | Enchantment | When Suleiman's Legacy enters the battlefield, destroy all Djinns and Efreets. They can't be regenerated. Whenever a Djinn or Efreet enters the battlefield, destroy it. It can't be regenerated. |
| Ring of Xathrid | 2 | Artifact — Equipment | {2}: Regenerate equipped creature. (The next time that creature would be destroyed this turn, it isn't. Instead tap it, remove all damage from it, and remove it from combat.) At the beginning of your upkeep, put a +1/+1 counter on equipped creature if it's black. Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.) |
| Price of Betrayal | B | Sorcery | Remove up to five counters from target artifact, creature, planeswalker, or opponent. |
| Waylaying Pirates | 3U | Creature — Human Pirate | When Waylaying Pirates enters the battlefield, if you control an artifact, tap target artifact or creature an opponent controls and put a stun counter on it. (If a permanent with a stun counter would become untapped, remove one from it instead.) 3/3 |
| Argentum Masticore | 5 | Artifact Creature — Phyrexian Masticore | First strike, protection from multicolored At the beginning of your upkeep, sacrifice Argentum Masticore unless you discard a card. When you discard a card this way, destroy target nonland permanent an opponent controls with mana value less than or equal to the mana value of the discarded card. 5/5 |