M:tG card similarity search
3BB · Enchantment
At the beginning of your upkeep, put a despair counter on Descent into Madness, then each player exiles X permanents they control and/or cards from their hand, where X is the number of despair counters on Descent into Madness.
| Name | Mana | Type | Text |
|---|---|---|---|
| Tidal Influence | 2U | Enchantment | Cast this spell only if no permanents named Tidal Influence are on the battlefield. Tidal Influence enters the battlefield with a tide counter on it. At the beginning of your upkeep, put a tide counter on Tidal Influence. As long as there is exactly one tide counter on Tidal Influence, all blue creatures get -2/-0. As long as there are exactly three tide counters on Tidal Influence, all blue creatures get +2/+0. Whenever there are four or more tide counters on Tidal Influence, remove all tide counters from it. |
| A-Pyre-Sledge Arsonist | 2R | Creature — Viashino Shaman | {1}, {T}: Pyre-Sledge Arsonist deals X damage to any target, where X is the number of permanents you've sacrificed this turn. 2/3 |
| 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 |
| 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. |
| Meishin, the Mind Cage | 4UUU | Legendary Enchantment | All creatures get -X/-0, where X is the number of cards in your hand. |
| Clearwater Goblet | 5 | Artifact | Sunburst (This enters the battlefield with a charge counter on it for each color of mana spent to cast it.) At the beginning of your upkeep, you may gain life equal to the number of charge counters on Clearwater Goblet. |
| Psychic Allergy | 3UU | Enchantment | As Psychic Allergy enters the battlefield, choose a color. At the beginning of each opponent's upkeep, Psychic Allergy deals X damage to that player, where X is the number of nontoken permanents of the chosen color they control. At the beginning of your upkeep, destroy Psychic Allergy unless you sacrifice two Islands. |
| The One Ring | 4 | Legendary Artifact | Indestructible When The One Ring enters the battlefield, if you cast it, you gain protection from everything until your next turn. At the beginning of your upkeep, you lose 1 life for each burden counter on The One Ring. {T}: Put a burden counter on The One Ring, then draw a card for each burden counter on The One Ring. |
| Shrine of Burning Rage | 2 | Artifact | At the beginning of your upkeep or whenever you cast a red spell, put a charge counter on Shrine of Burning Rage. {3}, {T}, Sacrifice Shrine of Burning Rage: It deals damage equal to the number of charge counters on it to any target. |
| Ludevic's Test Subject | 1U | Creature — Lizard Egg | Defender {1}{U}: Put a hatchling counter on Ludevic's Test Subject. Then if there are five or more hatchling counters on it, remove all of them and transform it. 0/3 |