M:tG card similarity search
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.
| Name | Mana | Type | Text |
|---|---|---|---|
| Infinite Hourglass | 4 | Artifact | At the beginning of your upkeep, put a time counter on Infinite Hourglass. All creatures get +1/+0 for each time counter on Infinite Hourglass. {3}: Remove a time counter from Infinite Hourglass. Any player may activate this ability but only during any upkeep step. |
| Ventifact Bottle | 3 | Artifact | {X}{1}, {T}: Put X charge counters on Ventifact Bottle. Activate only as a sorcery. At the beginning of your precombat main phase, if Ventifact Bottle has a charge counter on it, tap it and remove all charge counters from it. Add {C} for each charge counter removed this way. |
| Ebon Praetor | 4BB | Creature — Avatar Praetor | First strike, trample At the beginning of your upkeep, put a -2/-2 counter on Ebon Praetor. Sacrifice a creature: Remove a -2/-2 counter from Ebon Praetor. If the sacrificed creature was a Thrull, put a +1/+0 counter on Ebon Praetor. Activate only during your upkeep and only once each turn. 5/5 |
| Ratchet Bomb | 2 | Artifact | {T}: Put a charge counter on Ratchet Bomb. {T}, Sacrifice Ratchet Bomb: Destroy each nonland permanent with mana value equal to the number of charge counters on Ratchet Bomb. |
| Altar of Shadows | 7 | Artifact | At the beginning of your precombat main phase, add {B} for each charge counter on Altar of Shadows. {7}, {T}: Destroy target creature. Then put a charge counter on Altar of Shadows. |
| Trade Caravan | W | Creature — Human Nomad | At the beginning of your upkeep, put a currency counter on Trade Caravan. Remove two currency counters from Trade Caravan: Untap target basic land. Activate only during an opponent's upkeep. 1/1 |
| Shrine of Limitless Power | 3 | Artifact | At the beginning of your upkeep or whenever you cast a black spell, put a charge counter on Shrine of Limitless Power. {4}, {T}, Sacrifice Shrine of Limitless Power: Target player discards a card for each charge counter on Shrine of Limitless Power. |
| Blast Zone | Land | Blast Zone enters the battlefield with a charge counter on it. {T}: Add {C}. {X}{X}, {T}: Put X charge counters on Blast Zone. {3}, {T}, Sacrifice Blast Zone: Destroy each nonland permanent with mana value equal to the number of charge counters on Blast Zone. | |
| Aboroth | 4GG | Creature — Elemental | Cumulative upkeep—Put a -1/-1 counter on Aboroth. (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.) 9/9 |
| Living Artifact | G | Enchantment — Aura | Enchant artifact Whenever you're dealt damage, put that many vitality counters on Living Artifact. At the beginning of your upkeep, you may remove a vitality counter from Living Artifact. If you do, you gain 1 life. |