M:tG card similarity search
4 · Artifact
At the beginning of your upkeep, you may put a soot counter on Smokestack. At the beginning of each player's upkeep, that player sacrifices a permanent for each soot counter on Smokestack.
| Name | Mana | Type | Text |
|---|---|---|---|
| Mana Bloom | XG | Enchantment | Mana Bloom enters the battlefield with X charge counters on it. Remove a charge counter from Mana Bloom: Add one mana of any color. Activate only once each turn. At the beginning of your upkeep, if Mana Bloom has no charge counters on it, return it to its owner's hand. |
| Orzhov Advokist | 2W | Creature — Human Advisor | At the beginning of your upkeep, each player may put two +1/+1 counters on a creature they control. If a player does, creatures that player controls can't attack you or planeswalkers you control until your next turn. 1/4 |
| Corrosion | 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. |
| Extravagant Spirit | 3U | Creature — Spirit | Flying At the beginning of your upkeep, sacrifice Extravagant Spirit unless you pay {1} for each card in your hand. 4/4 |
| Impending Disaster | 1R | Enchantment | At the beginning of your upkeep, if there are seven or more lands on the battlefield, sacrifice Impending Disaster and destroy all lands. |
| Breath of Dreams | 2UU | Enchantment | Cumulative upkeep {U} (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.) Green creatures have "Cumulative upkeep {1}." |
| Phobian Phantasm | 1BB | Creature — Illusion | Flying; fear (This creature can't be blocked except by artifact creatures and/or black creatures.) Cumulative upkeep {B} (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.) 3/3 |
| Nether Shadow | BB | Creature — Spirit | Haste At the beginning of your upkeep, if Nether Shadow is in your graveyard with three or more creature cards above it, you may put Nether Shadow onto the battlefield. 1/1 |
| Illusionary Forces | 3U | Creature — Illusion | Flying Cumulative upkeep {U} (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.) 4/4 |
| Hanweir Watchkeep | 2R | Creature — Human Warrior Werewolf | Defender At the beginning of each upkeep, if no spells were cast last turn, transform Hanweir Watchkeep. 1/5 |