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 |
|---|---|---|---|
| Discord, Lord of Disharmony | 2BR | Legendary Creature — Chimera | Flying At the beginning of your end step, choose a random nonland Magic card name. Until your next end step, you may cast a copy of a spell with that name, and mana of any type can be spent to cast it. If you cast a spell this way, copy this ability if Discord is on the battlefield. 3/5 |
| Laughing Hyena | 1G | Creature — Hyena | Gotcha — If an opponent laughs, you may say "Gotcha!" When you do, return Laughing Hyena from your graveyard to your hand. 2/2 |
| Hazoret's Undying Fury | 4RR | Sorcery | Shuffle your library, then exile the top four cards. You may cast any number of spells with mana value 5 or less from among them without paying their mana costs. Lands you control don't untap during your next untap step. |
| Cankerous Thirst | 3B/G | Instant | If {B} was spent to cast this spell, you may have target creature get -3/-3 until end of turn. If {G} was spent to cast this spell, you may have target creature get +3/+3 until end of turn. (Do both if {B}{G} was spent.) |
| Ashiok's Adept | 2B | Creature — Human Wizard | Heroic — Whenever you cast a spell that targets Ashiok's Adept, each opponent discards a card. 1/3 |
| Erayo's Essence | Legendary Enchantment | Whenever an opponent casts their first spell each turn, counter that spell. | |
| Narset, Enlightened Exile | 1URW | Legendary Creature — Human Monk | Creatures you control have prowess. Whenever Narset, Enlightened Exile attacks, exile target noncreature, nonland card with mana value less than Narset's power from a graveyard and copy it. You may cast the copy without paying its mana cost. 3/4 |
| Oblivion Sower | 6 | Creature — Eldrazi | When you cast this spell, target opponent exiles the top four cards of their library, then you may put any number of land cards that player owns from exile onto the battlefield under your control. 5/8 |
| Wandering Eye | 2U | Creature — Illusion | Flying Players play with their hands revealed. 1/3 |
| Rogue Class | UB | Enchantment — Class | (Gain the next level as a sorcery to add its ability.) Whenever a creature you control deals combat damage to a player, exile the top card of that player's library face down. You may look at it for as long as it remains exiled. {1}{U}{B}: Level 2 Creatures you control have menace. {2}{U}{B}: Level 3 You may play cards exiled with Rogue Class, and you may spend mana as though it were mana of any color to cast those spells. |