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 |
|---|---|---|---|
| Werewolf of Ancient Hunger | Creature — Werewolf | Vigilance, trample Werewolf of Ancient Hunger's power and toughness are each equal to the total number of cards in all players' hands. At the beginning of each upkeep, if a player cast two or more spells last turn, transform Werewolf of Ancient Hunger. */* | |
| Innovative Metatect | WU | Creature — Phyrexian Artificer | Whenever one or more artifact creatures you control deal combat damage to a player, seek a nonland card with mana value 2 or less. 1/3 |
| Doomgape | 4B/GB/GB/G | Creature — Elemental | Trample At the beginning of your upkeep, sacrifice a creature. You gain life equal to that creature's toughness. 10/10 |
| Topple the Statue | 2W | Instant | Tap target permanent. If it's an artifact, destroy it. Draw a card. |
| Cosmic Horror | 3BBB | Creature — Horror | First strike At the beginning of your upkeep, destroy Cosmic Horror unless you pay {3}{B}{B}{B}. If Cosmic Horror is destroyed this way, it deals 7 damage to you. 7/7 |
| Generated Horizons | 2GG | Enchantment | At the beginning of your upkeep, create a Forest land token. |
| Captain Rex Nebula | 1RW | Legendary Creature — Human Pilot Employee | At the beginning of combat on your turn, choose target nonland permanent you control. Until end of turn, it becomes a Vehicle artifact with base power and toughness each equal to its mana value, and it gains crew 2 and "Crash Land — Whenever this Vehicle deals damage, roll a six-sided die. If the result is equal to this Vehicle's mana value, sacrifice this Vehicle, then it deals that much damage to any target." 2/2 |
| Sage of Ancient Lore | 4G | Creature — Human Shaman Werewolf | Sage of Ancient Lore's power and toughness are each equal to the number of cards in your hand. When Sage of Ancient Lore enters the battlefield, draw a card. At the beginning of each upkeep, if no spells were cast last turn, transform Sage of Ancient Lore. */* |
| Crosis's Charm | UBR | Instant | Choose one — • Return target permanent to its owner's hand. • Destroy target nonblack creature. It can't be regenerated. • Destroy target artifact. |
| Welding Jar | 0 | Artifact | Sacrifice Welding Jar: Regenerate target artifact. |