M:tG card similarity search
| Name | Mana | Type | Text |
|---|---|---|---|
| Mana Maze | 1U | Enchantment | Players can't cast spells that share a color with the spell most recently cast this turn. |
| Pyroconvergence | 4R | Enchantment | Whenever you cast a multicolored spell, Pyroconvergence deals 2 damage to any target. |
| Oblivion Strike | 3B | Sorcery | Devoid (This card has no color.) Exile target creature. |
| Thassa's Intervention | XUU | Instant | Choose one — • Look at the top X cards of your library. Put up to two of them into your hand and the rest on the bottom of your library in a random order. • Counter target spell unless its controller pays twice {X}. |
| Blazing Shoal | XRR | Instant — Arcane | You may exile a red card with mana value X from your hand rather than pay this spell's mana cost. Target creature gets +X/+0 until end of turn. |
| Void Mirror | 2 | Artifact | Whenever a player casts a spell, if no colored mana was spent to cast it, counter that spell. |
| Mischievous Quanar | 4U | Creature — Beast | {3}{U}{U}: Turn Mischievous Quanar face down. Morph {1}{U}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) When Mischievous Quanar is turned face up, copy target instant or sorcery spell. You may choose new targets for that copy. 3/3 |
| Caetus, Sea Tyrant of Segovia | Legendary Creature — Serpent | Noncreature spells you cast have convoke. (Your creatures can help cast those spells. Each creature you tap while casting a noncreature spell pays for {1} or one mana of that creature's color.) At the beginning of your end step, untap up to four target creatures. 3/3 | |
| Smolder Initiate | B | Creature — Elemental Shaman | Whenever a player casts a black spell, you may pay {1}. If you do, target player loses 1 life. 1/1 |
| Tomb of Horrors Adventurer | 5U | Creature — Elf Monk | When Tomb of Horrors Adventurer enters the battlefield, you take the initiative. Whenever you cast your second spell each turn, copy it. If you've completed a dungeon, copy that spell twice instead. You may choose new targets for the copies. (A copy of a permanent spell becomes a token.) 4/4 |