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 |
|---|---|---|---|
| Equilibrium | 1UU | Enchantment | Whenever you cast a creature spell, you may pay {1}. If you do, return target creature to its owner's hand. |
| Seedtime | 1G | Instant | Cast this spell only during your turn. Take an extra turn after this one if an opponent cast a blue spell this turn. |
| Hedonist's Trove | 5BB | Enchantment | When Hedonist's Trove enters the battlefield, exile target opponent's graveyard. You may play lands from among cards exiled with Hedonist's Trove. You may cast spells from among cards exiled with Hedonist's Trove. You can't cast more than one spell this way each turn. |
| Dragonlord's Prerogative | 4UU | Instant | As an additional cost to cast this spell, you may reveal a Dragon card from your hand. If you revealed a Dragon card or controlled a Dragon as you cast this spell, this spell can't be countered. Draw four cards. |
| Arvinox, the Mind Flail | 4BBB | Legendary Enchantment Creature — Horror | Arvinox, the Mind Flail isn't a creature unless you control three or more permanents you don't own. At the beginning of your end step, exile the bottom card of each opponent's library face down. For as long as those cards remain exiled, you may look at them, you may cast permanent spells from among them, and you may spend mana as though it were mana of any color to cast those spells. 9/9 |
| Llawan, Cephalid Empress | 3U | Legendary Creature — Cephalid Noble | When Llawan, Cephalid Empress enters the battlefield, return all blue creatures your opponents control to their owners' hands. Your opponents can't cast blue creature spells. 2/3 |
| Sarevok's Tome | 4 | Artifact | When Sarevok's Tome enters the battlefield, you take the initiative. {T}: Add {C}. If you have the initiative, add {C}{C} instead. {3}, {T}: Exile cards from the top of your library until you exile a nonland card. You may cast that card without paying its mana cost. Activate only if you've completed a dungeon. |
| Juggle the Performance | 1BR | Sorcery | Each player discards their hand, then conjures a duplicate of each of seven random cards from the library of the player to their right into their hand. The duplicates perpetually gain "Mana of any type can be spent to cast this spell." |
| Feroz's Ban | 6 | Artifact | Creature spells cost {2} more to cast. |
| Ian Chesterton | 2W | Legendary Creature — Human Scientist | Science Teacher — Each Saga spell you cast has replicate. The replicate cost is equal to its mana cost. (When you cast that Saga, copy it for each time you paid its replicate cost. Copies of permanents enter the battlefield as tokens.) Doctor's companion (You can have two commanders if the other is the Doctor.) 2/3 |