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 |
|---|---|---|---|
| Bazaar Trader | 1R | Creature — Goblin | {T}: Target player gains control of target artifact, creature, or land you control. 1/1 |
| Involuntary Cooldown | 3U | Sorcery | Tap up to two target artifacts and/or creatures. Put two stun counters on each of them. (If a permanent with a stun counter would become untapped, remove one from it instead.) |
| Call a Surprise Witness | 1W | Sorcery | Return target creature card with mana value 3 or less from your graveyard to the battlefield. Put a flying counter on it. It's a Spirit in addition to its other types. |
| Yotia Declares War | 1R | Enchantment — Saga | Read ahead (Choose a chapter and start with that many lore counters. Add one after your draw step. Skipped chapters don't trigger. Sacrifice after III.) I — Create a 0/2 colorless Thopter artifact creature token with flying named Ornithopter. II — Tap any number of untapped artifacts you control. When you do, Yotia Declares War deals that much damage to target creature or planeswalker. III — Up to one target artifact you control becomes an artifact creature with base power and toughness 4/4 until end of turn. |
| Shauku, Endbringer | 5BB | Legendary Creature — Vampire | Flying Shauku, Endbringer can't attack if there's another creature on the battlefield. At the beginning of your upkeep, you lose 3 life. {T}: Exile target creature and put a +1/+1 counter on Shauku. 5/5 |
| Wall of Tombstones | 1B | Creature — Wall | Defender (This creature can't attack.) At the beginning of your upkeep, change Wall of Tombstones's base toughness to 1 plus the number of creature cards in your graveyard. (This effect lasts indefinitely.) 0/1 |
| Vaporous Djinn | 2UU | Creature — Djinn | Flying At the beginning of your upkeep, Vaporous Djinn phases out unless you pay {U}{U}. (While it's phased out, it's treated as though it doesn't exist. It phases in before you untap during your next untap step.) 3/4 |
| Elder Spawn | 4UUU | Creature — Spawn | At the beginning of your upkeep, unless you sacrifice an Island, sacrifice Elder Spawn and it deals 6 damage to you. Elder Spawn can't be blocked by red creatures. 6/6 |
| Dragonlord Dromoka | 4GW | Legendary Creature — Elder Dragon | This spell can't be countered. Flying, lifelink Your opponents can't cast spells during your turn. 5/7 |
| Hungering Hydra | XG | Creature — Hydra | Hungering Hydra enters the battlefield with X +1/+1 counters on it. Hungering Hydra can't be blocked by more than one creature. Whenever Hungering Hydra is dealt damage, put that many +1/+1 counters on it. (It must survive the damage to get the counters.) 0/0 |