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 |
|---|---|---|---|
| Descent into Avernus | 2R | Enchantment | At the beginning of your upkeep, put two descent counters on Descent into Avernus. Then each player creates X Treasure tokens and Descent into Avernus deals X damage to each player, where X is the number of descent counters on Descent into Avernus. |
| Niv-Mizzet, Guildpact | WUBRG | Legendary Creature — Dragon Avatar | Flying, hexproof from multicolored Whenever Niv-Mizzet, Guildpact deals combat damage to a player, it deals X damage to any target, target player draws X cards, and you gain X life, where X is the number of different color pairs among permanents you control that are exactly two colors. 6/6 |
| Magmatic Core | 2RR | Enchantment | Cumulative upkeep {1} (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 your end step, Magmatic Core deals X damage divided as you choose among any number of target creatures, where X is the number of age counters on it. |
| Swirl the Mists | 2UU | Enchantment | As Swirl the Mists enters the battlefield, choose a color word. All instances of color words in the text of spells and permanents are changed to the chosen color word. |
| Shyft | 4U | Creature — Shapeshifter | At the beginning of your upkeep, you may have Shyft become the color or colors of your choice. (This effect lasts indefinitely.) 4/2 |
| Pentarch Paladin | 2WWW | Creature — Human Knight | Flanking (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.) As Pentarch Paladin enters the battlefield, choose a color. {W}{W}, {T}: Destroy target permanent of the chosen color. 3/3 |
| Alloy Golem | 6 | Artifact Creature — Golem | As Alloy Golem enters the battlefield, choose a color. Alloy Golem is the chosen color. (It's still an artifact.) 4/4 |
| Mystic Barrier | 4W | Enchantment | When Mystic Barrier enters the battlefield or at the beginning of your upkeep, choose left or right. Each player may attack only the nearest opponent in the last chosen direction and planeswalkers controlled by that opponent. |
| Prismatic Boon | XWU | Instant | Choose a color. X target creatures gain protection from the chosen color until end of turn. |
| Painter's Servant | 2 | Artifact Creature — Scarecrow | As Painter's Servant enters the battlefield, choose a color. All cards that aren't on the battlefield, spells, and permanents are the chosen color in addition to their other colors. 1/3 |