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 |
|---|---|---|---|
| Merciless Predator | Creature — Werewolf | At the beginning of each upkeep, if a player cast two or more spells last turn, transform Merciless Predator. 3/2 | |
| One of the Pack | Creature — Werewolf | At the beginning of each upkeep, if a player cast two or more spells last turn, transform One of the Pack. 5/6 | |
| Rampaging Werewolf | Creature — Werewolf | At the beginning of each upkeep, if a player cast two or more spells last turn, transform Rampaging Werewolf. 6/4 | |
| Howlpack of Estwald | Creature — Werewolf | At the beginning of each upkeep, if a player cast two or more spells last turn, transform Howlpack of Estwald. 4/6 | |
| Urborg Stalker | 3B | Creature — Horror | At the beginning of each player's upkeep, if that player controls a nonblack, nonland permanent, Urborg Stalker deals 1 damage to that player. 2/4 |
| Topdeck the Halls | 3RW | Enchantment | Decorated cards in your hand have miracle {S}. (Decorated cards include premiums, promos, and cards with alternate frames or art.) At the beginning of your upkeep, if you control twelve or more decorated permanents, you win the game. |
| Nyx Lotus | 4 | Legendary Artifact | Nyx Lotus enters the battlefield tapped. {T}: Choose a color. Add an amount of mana of that color equal to your devotion to that color. (Your devotion to a color is the number of mana symbols of that color in the mana costs of permanents you control.) |
| Crypt Rats | 2B | Creature — Rat | {X}: Crypt Rats deals X damage to each creature and each player. Spend only black mana on X. 1/1 |
| Tolarian Serpent | 5UU | Creature — Serpent | At the beginning of your upkeep, mill seven cards. 7/7 |
| Cosmic Larva | 1RR | Creature — Beast | Trample At the beginning of your upkeep, sacrifice Cosmic Larva unless you sacrifice two lands. 7/6 |