M:tG card similarity search
| Name | Mana | Type | Text |
|---|---|---|---|
| King's Assassin | 1BB | Creature — Human Assassin | {T}: Destroy target tapped creature. Activate only during your turn, before attackers are declared. 1/1 |
| River Serpent | 5U | Creature — Serpent | River Serpent can't attack unless there are five or more cards in your graveyard. Cycling {U} ({U}, Discard this card: Draw a card.) 5/5 |
| Goblin Maskmaker | R | Creature — Goblin Citizen | Whenever Goblin Maskmaker attacks, face-down spells you cast this turn cost {1} less to cast. 1/2 |
| Aetherize | 3U | Instant | Return all attacking creatures to their owner's hand. |
| Trap Runner | 2WW | Creature — Human Soldier | {T}: Target unblocked attacking creature becomes blocked. Activate only during combat after blockers are declared. (This ability works on creatures that can't be blocked.) 2/3 |
| Mondassian Colony Ship | Plane — Spacecraft | Whenever a creature attacks, it gets +1/+1 until end of turn for each other creature its controller controls that shares a creature type with it. Whenever chaos ensues, turn target creature face down. It becomes a 2/2 Cyberman artifact creature. | |
| Fog Patch | 1G | Instant | Cast this spell only during the declare blockers step. Attacking creatures become blocked. (This spell works on creatures that can't be blocked.) |
| Nivix Barrier | 3U | Creature — Illusion Wall | Flash (You may cast this spell any time you could cast an instant.) Defender (This creature can't attack.) When Nivix Barrier enters the battlefield, target attacking creature gets -4/-0 until end of turn. 0/4 |
| Aetherspouts | 3UU | Instant | For each attacking creature, its owner puts it on the top or bottom of their library. |
| Giant Trap Door Spider | 1RG | Creature — Spider | {1}{R}{G}, {T}: Exile Giant Trap Door Spider and target creature without flying that's attacking you. 2/3 |