M:tG card similarity search
UUUU · Enchantment
Whenever an opponent casts a creature spell that doesn't share a color with a creature you control, counter that spell unless that player pays {X}, where X is its mana value.
| Name | Mana | Type | Text |
|---|---|---|---|
| Didn't Say Please | 1UU | Instant | Counter target spell. Its controller mills three cards. |
| Thought Collapse | 1UU | Instant | Counter target spell. Its controller mills three cards. |
| Concert Kaboomist | 1RR | Creature — Goblin Artificer | Trample When Concert Kaboomist enters the battlefield or is turned face up, it deals X damage to target opponent, where X is the number of noncreature spells you've cast since the beginning of your last turn. Disguise {R} 4/2 |
| Ugin's Mastery | 4 | Enchantment | Whenever you cast a colorless creature spell, manifest the top card of your library. (Put it onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if it's a creature card.) Whenever you attack with creatures with total power 6 or greater, you may turn a face-down creature you control face up. |
| Damping Engine | 4 | Artifact | A player who controls more permanents than each other player can't play lands or cast artifact, creature, or enchantment spells. That player may sacrifice a permanent for that player to ignore this effect until end of turn. |
| Planar Chaos | 2R | Enchantment | At the beginning of your upkeep, flip a coin. If you lose the flip, sacrifice Planar Chaos. Whenever a player casts a spell, that player flips a coin. If they lose the flip, counter that spell. |
| Morophon, the Boundless | 7 | Legendary Creature — Shapeshifter | Changeling (This card is every creature type.) As Morophon, the Boundless enters the battlefield, choose a creature type. Spells of the chosen type you cast cost {W}{U}{B}{R}{G} less to cast. This effect reduces only the amount of colored mana you pay. Other creatures you control of the chosen type get +1/+1. 6/6 |
| Uncage the Menagerie | XGG | Sorcery | Search your library for up to X creature cards with different names that each have mana value X, reveal them, put them into your hand, then shuffle. |
| Opal Champion | 2W | Enchantment | When an opponent casts a creature spell, if Opal Champion is an enchantment, Opal Champion becomes a 3/3 Knight creature with first strike. |
| Yennett, Cryptic Sovereign | 2WUB | Legendary Creature — Sphinx | Flying, vigilance, menace Whenever Yennett, Cryptic Sovereign attacks, reveal the top card of your library. You may cast it without paying its mana cost if its mana value is odd. If you don't cast it, draw a card. 3/5 |