M:tG card similarity search
UB · Legendary Creature — Human Spy
As long as X is in X's owner's opponent's hand, X's owner may cast X and activate X's abilities. That opponent can't cast X and plays with their hand revealed. {U}{B}, {T}: Put X into target opponent's hand. {3}{U}{B}: You may play a land or cast a spell from the hand X is in. If you cast a spell this way, you cast it without paying its mana cost. 2/2
| Name | Mana | Type | Text |
|---|---|---|---|
| Rage Extractor | 4R/P | Artifact | ({R/P} can be paid with either {R} or 2 life.) Whenever you cast a spell with {P} in its mana cost, Rage Extractor deals damage equal to that spell's mana value to any target. |
| Permission Denied | WU | Instant | Counter target noncreature spell. Your opponents can't cast noncreature spells this turn. |
| Murk Strider | 3U | Creature — Eldrazi Processor | Devoid (This card has no color.) When Murk Strider enters the battlefield, you may put a card an opponent owns from exile into that player's graveyard. If you do, return target creature to its owner's hand. 3/2 |
| Singer of Swift Rivers | 1GU | Creature — Merfolk Shaman | Flash When Singer of Swift Rivers enters the battlefield, put a shield counter on another target creature you control. (If it would be dealt damage or destroyed, remove a shield counter from it instead.) You may cast Merfolk spells as though they had flash. 3/2 |
| Xantid Swarm | G | Creature — Insect | Flying Whenever Xantid Swarm attacks, defending player can't cast spells this turn. 0/1 |
| Thought Distortion | 4BB | Sorcery | This spell can't be countered. Target opponent reveals their hand. Exile all noncreature, nonland cards from that player's hand and graveyard. |
| Once Upon a Time | 1G | Instant | If this spell is the first spell you've cast this game, you may cast it without paying its mana cost. Look at the top five cards of your library. You may reveal a creature or land card from among them and put it into your hand. Put the rest on the bottom of your library in a random order. |
| Lurking Spinecrawler | 3B | Creature — Horror | When Lurking Spinecrawler enters the battlefield, you may choose a nonland card in your hand. If you do, that card perpetually incorporates {1}{B} and gains "When you cast this spell, each opponent sacrifices a creature. Each opponent who can't discards a card." Whenever you cast a multicolored spell, for each of that spell's colors, each opponent loses 1 life and you gain 1 life. 5/4 |
| Talara's Battalion | 1G | Creature — Elf Warrior | Cast this spell only if you've cast another green spell this turn. Trample 4/3 |
| Aisha of Sparks and Smoke | 1RR | Legendary Creature — Human Warrior | Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) {R/W}: Aisha of Sparks and Smoke gains first strike until end of turn. Whenever Aisha deals combat damage, you may cast a sorcery spell from your hand with mana value less than or equal to that damage without paying its mana cost. 4/2 |