M:tG card similarity search
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.
| Name | Mana | Type | Text |
|---|---|---|---|
| Hungry Mist | 2GG | Creature — Elemental | At the beginning of your upkeep, sacrifice Hungry Mist unless you pay {G}{G}. 6/2 |
| Carnivorous Death-Parrot | 1U | Creature — Bird | Flying At the beginning of your upkeep, sacrifice Carnivorous Death-Parrot unless you say its flavor text. 2/2 |
| Conversion | 2WW | Enchantment | At the beginning of your upkeep, sacrifice Conversion unless you pay {W}{W}. All Mountains are Plains. |
| Glaciers | 2WU | Enchantment | At the beginning of your upkeep, sacrifice Glaciers unless you pay {W}{U}. All Mountains are Plains. |
| Ruthless Winnower | 3BB | Creature — Elf Rogue | At the beginning of each player's upkeep, that player sacrifices a non-Elf creature. 4/4 |
| Defiler of Souls | 3BBR | Creature — Demon | Flying At the beginning of each player's upkeep, that player sacrifices a monocolored creature. 5/5 |
| Uktabi Efreet | 2GG | Creature — Efreet | 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.) 5/4 |
| Krosan Cloudscraper | 7GGG | Creature — Beast Mutant | At the beginning of your upkeep, sacrifice Krosan Cloudscraper unless you pay {G}{G}. Morph {7}{G}{G} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) 13/13 |
| Toy Boat | 3 | Artifact Creature — Ship | Cumulative upkeep—Say "Toy Boat" quickly. (At the beginning of your upkeep, put an age counter on Toy Boat, then sacrifice it unless you say "Toy Boat" once for each age counter on it—without pausing between or fumbling it.) 3/3 |
| Bathe in Light | 1W | Instant | Radiance — Choose a color. Target creature and each other creature that shares a color with it gain protection from the chosen color until end of turn. |