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 |
|---|---|---|---|
| Chitterspitter | 2G | Artifact | At the beginning of your upkeep, you may sacrifice a token. If you do, put an acorn counter on Chitterspitter. Squirrels you control get +1/+1 for each acorn counter on Chitterspitter. {G}, {T}: Create a 1/1 green Squirrel creature token. |
| Timesifter | 5 | Artifact | At the beginning of each upkeep, each player exiles the top card of their library. The player who exiled the card with the highest mana value takes an extra turn after this one. If two or more players' cards are tied for highest, the tied players repeat this process until the tie is broken. |
| Charging Cinderhorn | 3R | Creature — Elemental Ox | Haste At the beginning of each player's end step, if no creatures attacked this turn, put a fury counter on Charging Cinderhorn. Then Charging Cinderhorn deals damage equal to the number of fury counters on it to that player. 4/2 |
| Drafna's Restoration | U | Sorcery | Put any number of target artifact cards from target player's graveyard on top of their library in any order. |
| Eyeblight's Ending | 2B | Tribal Instant — Elf | Destroy target non-Elf creature. |
| Second Chance | 2U | Enchantment | At the beginning of your upkeep, if you have 5 or less life, sacrifice Second Chance and take an extra turn after this one. |
| Serene Heart | 1G | Instant | Destroy all Auras. |
| Psychic Allergy | 3UU | Enchantment | As Psychic Allergy enters the battlefield, choose a color. At the beginning of each opponent's upkeep, Psychic Allergy deals X damage to that player, where X is the number of nontoken permanents of the chosen color they control. At the beginning of your upkeep, destroy Psychic Allergy unless you sacrifice two Islands. |
| Tidewalker | 2U | Creature — Elemental | Tidewalker enters the battlefield with a time counter on it for each Island you control. Vanishing (At the beginning of your upkeep, remove a time counter from this creature. When the last is removed, sacrifice it.) Tidewalker's power and toughness are each equal to the number of time counters on it. */* |
| Ultimate Price | 1B | Instant | Destroy target monocolored creature. |