M:tG card similarity search
XU · Instant
Counter target spell with mana value X. (For example, if that spell's mana cost is {3}{U}{U}, X is 5.)
| Name | Mana | Type | Text |
|---|---|---|---|
| Xenic Poltergeist | 1BB | Creature — Spirit | {T}: Until your next upkeep, target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value. 1/1 |
| Brine Seer | 3U | Creature — Human Wizard | {2}{U}, {T}: Reveal any number of blue cards in your hand. Counter target spell unless its controller pays {1} for each card revealed this way. 1/1 |
| Primeval Spawn | 5WUBRG | Creature — Avatar | If Primeval Spawn would enter the battlefield and it wasn't cast or no mana was spent to cast it, exile it instead. Vigilance, trample, lifelink When Primeval Spawn leaves the battlefield, exile the top ten cards of your library. You may cast any number of spells with total mana value 10 or less from among them without paying their mana costs. 10/10 |
| Sister Hospitaller | 4WB | Creature — Human Cleric | Medicus Ministorum — When Sister Hospitaller enters the battlefield, return target creature card from your graveyard to the battlefield. You gain life equal to its mana value. 3/2 |
| Dwarven Shrine | 1RR | Enchantment | Whenever a player casts a spell, Dwarven Shrine deals X damage to that player, where X is twice the number of cards in all graveyards with the same name as that spell. |
| Prototype Portal | 4 | Artifact | Imprint — When Prototype Portal enters the battlefield, you may exile an artifact card from your hand. {X}, {T}: Create a token that's a copy of the exiled card. X is the mana value of that card. |
| Soul Search | WB | Sorcery | Target opponent reveals their hand. You choose a nonland card from it. Exile that card. If the card's mana value is 1 or less, create a 1/1 white and black Spirit creature token with flying. |
| Hesitation | 1U | Enchantment | When a player casts a spell, sacrifice Hesitation and counter that spell. |
| Lunar Force | 2U | Enchantment | When an opponent casts a spell, sacrifice Lunar Force and counter that spell. |
| Errant Minion | 2U | Enchantment — Aura | Enchant creature At the beginning of the upkeep of enchanted creature's controller, that player may pay any amount of mana. Errant Minion deals 2 damage to that player. Prevent X of that damage, where X is the amount of mana that player paid this way. |