M:tG card similarity search
6 · Artifact
At the beginning of your upkeep, put a doom counter on Armageddon Clock. At the beginning of your draw step, Armageddon Clock deals damage equal to the number of doom counters on it to each player. {4}: Remove a doom counter from Armageddon Clock. Any player may activate this ability but only during any upkeep step.
| Name | Mana | Type | Text |
|---|---|---|---|
| Serrated Arrows | 4 | Artifact | Serrated Arrows enters the battlefield with three arrowhead counters on it. At the beginning of your upkeep, if there are no arrowhead counters on Serrated Arrows, sacrifice it. {T}, Remove an arrowhead counter from Serrated Arrows: Put a -1/-1 counter on target creature. |
| Sun Droplet | 2 | Artifact | Whenever you're dealt damage, put that many charge counters on Sun Droplet. At the beginning of each upkeep, you may remove a charge counter from Sun Droplet. If you do, you gain 1 life. |
| Cold Snap | 2W | Enchantment | Cumulative upkeep {2} (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 each player's upkeep, Cold Snap deals damage to that player equal to the number of snow lands they control. |
| Honden of Infinite Rage | 2R | Legendary Enchantment — Shrine | At the beginning of your upkeep, Honden of Infinite Rage deals damage to any target equal to the number of Shrines you control. |
| Plague Boiler | 3 | Artifact | At the beginning of your upkeep, put a plague counter on Plague Boiler. {1}{B}{G}: Put a plague counter on Plague Boiler or remove a plague counter from it. When Plague Boiler has three or more plague counters on it, sacrifice it. If you do, destroy all nonland permanents. |
| Deadly Designs | 1B | Enchantment | {2}: Put a plot counter on Deadly Designs. Any player may activate this ability. When there are five or more plot counters on Deadly Designs, sacrifice it. If you do, destroy up to two target creatures. |
| Land Cap | Land | Land Cap doesn't untap during your untap step if it has a depletion counter on it. At the beginning of your upkeep, remove a depletion counter from Land Cap. {T}: Add {W} or {U}. Put a depletion counter on Land Cap. | |
| Lava Tubes | Land | Lava Tubes doesn't untap during your untap step if it has a depletion counter on it. At the beginning of your upkeep, remove a depletion counter from Lava Tubes. {T}: Add {B} or {R}. Put a depletion counter on Lava Tubes. | |
| River Delta | Land | River Delta doesn't untap during your untap step if it has a depletion counter on it. At the beginning of your upkeep, remove a depletion counter from River Delta. {T}: Add {U} or {B}. Put a depletion counter on River Delta. | |
| Timberline Ridge | Land | Timberline Ridge doesn't untap during your untap step if it has a depletion counter on it. At the beginning of your upkeep, remove a depletion counter from Timberline Ridge. {T}: Add {R} or {G}. Put a depletion counter on Timberline Ridge. |