M:tG card similarity search
1W · Enchantment
As Call to Arms enters the battlefield, choose a color and an opponent. White creatures get +1/+1 as long as the chosen color is the most common color among nontoken permanents the chosen player controls but isn't tied for most common. When the chosen color isn't the most common color among nontoken permanents the chosen player controls or is tied for most common, sacrifice Call to Arms.
| Name | Mana | Type | Text |
|---|---|---|---|
| Prismatic Dragon | 2WW | Summon Dragon | Flying During your upkeep, Prismatic Dragon becomes a random color permanently. {2}: Prismatic Dragon becomes a random color permanently. 2/3 |
| Zanam Djinn | 5U | Creature — Djinn | Flying Zanam Djinn gets -2/-2 as long as blue is the most common color among all permanents or is tied for most common. 5/6 |
| Astral Cornucopia | XXX | Artifact | Astral Cornucopia enters the battlefield with X charge counters on it. {T}: Choose a color. Add one mana of that color for each charge counter on Astral Cornucopia. |
| Riptide Replicator | X4 | Artifact | As Riptide Replicator enters the battlefield, choose a color and a creature type. Riptide Replicator enters the battlefield with X charge counters on it. {4}, {T}: Create an X/X creature token of the chosen color and type, where X is the number of charge counters on Riptide Replicator. |
| Clara Oswald | 6 | Legendary Creature — Human Advisor | Impossible Girl — If Clara Oswald is your commander, choose a color before the game begins. Clara Oswald is the chosen color. If a triggered ability of a Doctor you control triggers, that ability triggers an additional time. Doctor's companion (You can have two commanders if the other is the Doctor.) 2/6 |
| Guardian Archon | 4WW | Creature — Archon | Flying As Guardian Archon enters the battlefield, secretly choose an opponent. Reveal the player you chose: You and target permanent you control each gain protection from the chosen player until end of turn. Activate only once. 5/5 |
| Nyxathid | 1BB | Creature — Elemental | As Nyxathid enters the battlefield, choose an opponent. Nyxathid gets -1/-1 for each card in the chosen player's hand. 7/7 |
| Oona, Queen of the Fae | 3U/BU/BU/B | Legendary Creature — Faerie Wizard | Flying {X}{U/B}: Choose a color. Target opponent exiles the top X cards of their library. For each card of the chosen color exiled this way, create a 1/1 blue and black Faerie Rogue creature token with flying. 5/5 |
| Pledge of Loyalty | 1W | Enchantment — Aura | Enchant creature Enchanted creature has protection from the colors of permanents you control. This effect doesn't remove Pledge of Loyalty. |
| Treva, the Renewer | 3GWU | Legendary Creature — Dragon | Flying Whenever Treva, the Renewer deals combat damage to a player, you may pay {2}{W}. If you do, choose a color, then you gain 1 life for each permanent of that color. 6/6 |