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 |
|---|---|---|---|
| Ainok Survivalist | 1G | Creature — Dog Shaman | Megamorph {1}{G} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.) When Ainok Survivalist is turned face up, destroy target artifact or enchantment an opponent controls. 2/1 |
| Dovin's Veto | WU | Instant | This spell can't be countered. Counter target noncreature spell. |
| Leonin Abunas | 3W | Creature — Cat Cleric | Artifacts you control have hexproof. (They can't be the targets of spells or abilities your opponents control.) 2/5 |
| As Foretold | 2U | Enchantment | At the beginning of your upkeep, put a time counter on As Foretold. Once each turn, you may pay {0} rather than pay the mana cost for a spell you cast with mana value X or less, where X is the number of time counters on As Foretold. |
| Teferi's Realm | 1UU | World Enchantment | At the beginning of each player's upkeep, that player chooses artifact, creature, land, or non-Aura enchantment. All nontoken permanents of that type phase out. (While they're phased out, they're treated as though they don't exist. Each one phases in before its controller untaps during their next untap step.) |
| Yisan, the Wanderer Bard | 2G | Legendary Creature — Human Rogue Bard | {2}{G}, {T}, Put a verse counter on Yisan, the Wanderer Bard: Search your library for a creature card with mana value equal to the number of verse counters on Yisan, put it onto the battlefield, then shuffle. 2/3 |
| Fatal Push | B | Instant | Destroy target creature if it has mana value 2 or less. Revolt — Destroy that creature if it has mana value 4 or less instead if a permanent you controlled left the battlefield this turn. |
| Smash | 2R | Instant | Destroy target artifact. Draw a card. |
| Toymaker | 2 | Artifact Creature — Spellshaper | {1}, {T}, Discard a card: Target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value until end of turn. (It retains its abilities.) 1/1 |
| Delaying Shield | 3W | Enchantment | If damage would be dealt to you, put that many delay counters on Delaying Shield instead. At the beginning of your upkeep, remove all delay counters from Delaying Shield. For each delay counter removed this way, you lose 1 life unless you pay {1}{W}. |