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 |
|---|---|---|---|
| Dead Man's Chest | 1B | Enchantment — Aura | Enchant creature an opponent controls When enchanted creature dies, exile cards equal to its power from the top of its owner's library. You may cast spells from among those cards for as long as they remain exiled, and mana of any type can be spent to cast them. |
| Haakon, Stromgald Scourge | 1BB | Legendary Creature — Zombie Knight | You may cast Haakon, Stromgald Scourge from your graveyard, but not from anywhere else. As long as Haakon is on the battlefield, you may cast Knight spells from your graveyard. When Haakon dies, you lose 2 life. 3/3 |
| Hostage Taker | 2UB | Creature — Human Pirate | When Hostage Taker enters the battlefield, exile another target creature or artifact until Hostage Taker leaves the battlefield. You may cast that card for as long as it remains exiled, and mana of any type can be spent to cast that spell. 2/3 |
| Metagamer | WW | Creature — Human Advisor | Cards in the winning deck(s) of the latest Mythic Championship cost {1} more to cast. 2/2 |
| Thorn of Amethyst | 2 | Artifact | Noncreature spells cost {1} more to cast. |
| Boromir, Warden of the Tower | 2W | Legendary Creature — Human Soldier | Vigilance Whenever an opponent casts a spell, if no mana was spent to cast it, counter that spell. Sacrifice Boromir, Warden of the Tower: Creatures you control gain indestructible until end of turn. The Ring tempts you. 3/3 |
| Hauken's Insight | Legendary Enchantment | At the beginning of your upkeep, exile the top card of your library face down. You may look at that card for as long as it remains exiled. Once during each of your turns, you may play a land or cast a spell from among the cards exiled with this permanent without paying its mana cost. | |
| Opening Ceremony | 4RR | Sorcery | Add {W}{U}{B}{R}{G}{C}. You may open a sealed Magic booster pack. Until end of turn, you may cast spells from among the cards in that booster pack. |
| Familiar's Ruse | UU | Instant | As an additional cost to cast this spell, return a creature you control to its owner's hand. Counter target spell. |
| Wardscale Dragon | 4WW | Creature — Dragon | Flying As long as Wardscale Dragon is attacking, defending player can't cast spells. 4/4 |