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 |
|---|---|---|---|
| Invigorate | 2G | Instant | If you control a Forest, rather than pay this spell's mana cost, you may have an opponent gain 3 life. Target creature gets +4/+4 until end of turn. |
| Summoning Trap | 4GG | Instant — Trap | If a creature spell you cast this turn was countered by a spell or ability an opponent controlled, you may pay {0} rather than pay this spell's mana cost. Look at the top seven cards of your library. You may put a creature card from among them onto the battlefield. Put the rest on the bottom of your library in any order. |
| Electric Revelation | 2R | Instant | As an additional cost to cast this spell, discard a card. Draw two cards. Flashback {3}{R} (You may cast this card from your graveyard for its flashback cost and any additional costs. Then exile it.) |
| Dream Eater | 4UU | Creature — Nightmare Sphinx | Flash Flying When Dream Eater enters the battlefield, surveil 4. When you do, you may return target nonland permanent an opponent controls to its owner's hand. (To surveil 4, look at the top four cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.) 4/3 |
| Cathar's Companion | 2W | Creature — Dog | Whenever you cast a noncreature spell, Cathar's Companion gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.) 3/1 |
| Ninja | Creature — Ninja | You may activate Ninja's augment ability any time you could cast an instant. Whenever this creature deals combat damage to a player, Augment {2}{B} ({2}{B}, Reveal this card from your hand: Combine it with target host. Augment only as—oh, never mind.) +1/+0 | |
| Quagnoth | 5G | Creature — Beast | Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.) Shroud (This creature can't be the target of spells or abilities.) When a spell or ability an opponent controls causes you to discard Quagnoth, return it to your hand. 4/5 |
| Treetop Defense | 1G | Instant | Cast this spell only during the declare attackers step and only if you've been attacked this step. Creatures you control gain reach until end of turn. (They can block creatures with flying.) |
| Tetsuo, Imperial Champion | UBR | Legendary Creature — Human Samurai | Whenever Tetsuo, Imperial Champion attacks, if it's equipped, choose one — • Tetsuo deals damage equal to the highest mana value among Equipment attached to it to any target. • You may cast an instant or sorcery spell from your hand with mana value less than or equal to the highest mana value among Equipment attached to Tetsuo without paying its mana cost. 3/3 |
| Time Wipe | 2WWU | Sorcery | Return a creature you control to its owner's hand, then destroy all creatures. |