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 |
|---|---|---|---|
| Opal Guardian | WWW | Enchantment | When an opponent casts a creature spell, if Opal Guardian is an enchantment, Opal Guardian becomes a 3/4 Gargoyle creature with flying and protection from red. |
| Thoughts of Ruin | 2RR | Sorcery | Each player sacrifices a land for each card in your hand. |
| Deep-Cavern Bat | 1B | Creature — Bat | Flying, lifelink When Deep-Cavern Bat enters the battlefield, look at target opponent's hand. You may exile a nonland card from it until Deep-Cavern Bat leaves the battlefield. 1/1 |
| Sanctum of Eternity | Land | {T}: Add {C}. {2}, {T}: Return target commander you own from the battlefield to your hand. Activate only during your turn. | |
| Sunken Hope | 3UU | Enchantment | At the beginning of each player's upkeep, that player returns a creature they control to its owner's hand. |
| Zodiac Dragon | 7RR | Creature — Dragon | When Zodiac Dragon is put into your graveyard from the battlefield, you may return it to your hand. 8/8 |
| Ingenious Thief | 1U | Creature — Human Rogue | Flying When Ingenious Thief enters the battlefield, look at target player's hand. 1/1 |
| Rolling Spoil | 2GG | Sorcery | Destroy target land. If {B} was spent to cast this spell, all creatures get -1/-1 until end of turn. |
| Doomsday Specter | 2UB | Creature — Specter | Flying When Doomsday Specter enters the battlefield, return a blue or black creature you control to its owner's hand. Whenever Doomsday Specter deals combat damage to a player, look at that player's hand and choose a card from it. The player discards that card. 2/3 |
| Soul Spike | 5BB | Instant | You may exile two black cards from your hand rather than pay this spell's mana cost. Soul Spike deals 4 damage to any target and you gain 4 life. |