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 |
|---|---|---|---|
| Sauron, the Dark Lord | 3UBR | Legendary Creature — Avatar Horror | Ward—Sacrifice a legendary artifact or legendary creature. Whenever an opponent casts a spell, amass Orcs 1. Whenever an Army you control deals combat damage to a player, the Ring tempts you. Whenever the Ring tempts you, you may discard your hand. If you do, draw four cards. 7/6 |
| Oaken Siren | 1U | Artifact Creature — Siren Pirate | Flying, vigilance {T}: Add {U}. Spend this mana only to cast an artifact spell or activate an ability of an artifact source. 1/2 |
| Trial of Ambition | 1B | Enchantment | When Trial of Ambition enters the battlefield, target opponent sacrifices a creature. When a Cartouche enters the battlefield under your control, return Trial of Ambition to its owner's hand. |
| Cyclopean Titan | 4BBBB | Creature — Zombie Giant | When Cyclopean Titan dies, two target lands become Swamps. Exile Cyclopean Titan. {3}, {T}: Tap target creature, then return Cyclopean Titan to its owner's hand. 8/4 |
| Quicksilver Sea | Plane — Mirrodin | When you planeswalk to Quicksilver Sea or at the beginning of your upkeep, scry 4. (Look at the top four cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.) Whenever chaos ensues, reveal the top card of your library. You may play it without paying its mana cost. | |
| Discover the Impossible | 2U | Instant | Look at the top five cards of your library. Exile one of them face down and put the rest on the bottom of your library in a random order. You may cast the exiled card without paying its mana cost if it's an instant spell with mana value 2 or less. If you don't, put that card into your hand. |
| Sun Ce, Young Conquerer | 3UU | Legendary Creature — Human Soldier | Horsemanship (This creature can't be blocked except by creatures with horsemanship.) When Sun Ce, Young Conquerer enters the battlefield, you may return target creature to its owner's hand. 3/3 |
| Identity Crisis | 2WWBB | Sorcery | Exile all cards from target player's hand and graveyard. |
| Ballyrush Banneret | 1W | Creature — Kithkin Soldier | Kithkin spells and Soldier spells you cast cost {1} less to cast. 2/1 |
| Urza's Sylex | 3 | Legendary Artifact | {2}{W}{W}, {T}, Exile Urza's Sylex: Each player chooses six lands they control. Destroy all other permanents. Activate only as a sorcery. When Urza's Sylex is put into exile from the battlefield, you may pay {2}. If you do, search your library for a planeswalker card, reveal it, put it into your hand, then shuffle. |