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 |
|---|---|---|---|
| Mind Unbound | 4UU | Enchantment | At the beginning of your upkeep, put a lore counter on Mind Unbound, then draw a card for each lore counter on Mind Unbound. |
| Tornado | 4G | Enchantment | Cumulative upkeep {G} (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.) {2}{G}, Pay 3 life for each velocity counter on Tornado: Destroy target permanent and put a velocity counter on Tornado. Activate only once each turn. |
| Harbinger of Night | 2BB | Creature — Spirit | At the beginning of your upkeep, put a -1/-1 counter on each creature. 2/3 |
| Flesh to Dust | 3BB | Instant | Destroy target creature. It can't be regenerated. |
| Terminate | BR | Instant | Destroy target creature. It can't be regenerated. |
| Sundering Fork | Artifact — Contraption | Whenever you crank Sundering Fork, destroy target artifact. | |
| Tamiyo's Immobilizer | 3U | Artifact | Tamiyo's Immobilizer enters the battlefield with four oil counters on it. {T}, Remove an oil counter from Tamiyo's Immobilizer: Tap target artifact or creature. |
| Feed the Swarm | 1B | Sorcery | Destroy target creature or enchantment an opponent controls. You lose life equal to that permanent's mana value. |
| Musician | 2U | Creature — Human Wizard | 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.) {T}: Put a music counter on target creature. If it doesn't have "At the beginning of your upkeep, destroy this creature unless you pay {1} for each music counter on it," it gains that ability. 1/3 |
| Scute Mob | G | Creature — Insect | At the beginning of your upkeep, if you control five or more lands, put four +1/+1 counters on Scute Mob. 1/1 |