M:tG card similarity search
3UB · Legendary Creature — Octopus Rogue
Whenever Marvo, Deep Operative attacks, clash with defending player. (Each clashing player reveals the top card of their library, then puts that card on the top or bottom. A player wins if their card had a higher mana value.) Whenever you win a clash, draw a card. Then you may cast a spell from your hand with mana value 8 or less without paying its mana cost. 1/8
| Name | Mana | Type | Text |
|---|---|---|---|
| In the Eye of Chaos | 2U | World Enchantment | Whenever a player casts an instant spell, counter it unless that player pays {X}, where X is its mana value. |
| Lavinia, Azorius Renegade | WU | Legendary Creature — Human Soldier | Each opponent can't cast noncreature spells with mana value greater than the number of lands that player controls. Whenever an opponent casts a spell, if no mana was spent to cast it, counter that spell. 2/2 |
| Thryx, the Sudden Storm | 3UU | Legendary Creature — Elemental Giant | Flash Flying Spells you cast with mana value 5 or greater cost {1} less to cast and can't be countered. 4/5 |
| Barrowin of Clan Undurr | 2WB | Legendary Creature — Dwarf Cleric | When Barrowin of Clan Undurr enters the battlefield, venture into the dungeon. (Enter the first room or advance to the next room.) Whenever Barrowin of Clan Undurr attacks, return up to one creature card with mana value 3 or less from your graveyard to the battlefield if you've completed a dungeon. 3/3 |
| Grenzo, Crooked Jailer | 4BR | Legendary Creature — Goblin Rogue | When Grenzo enters the battlefield and at the beginning of your upkeep, heist target opponent's library. Once each turn, you may pay {0} rather than pay the mana cost for a spell you cast that you don't own. 6/4 |
| X | 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 |
| Sudden Insight | 4UU | Instant | Draw a card for each different mana value among nonland cards in your graveyard. |
| Path of Peril | 1BB | Sorcery | Cleave {4}{W}{B} (You may cast this spell for its cleave cost. If you do, remove the words in square brackets.) Destroy all creatures [with mana value 2 or less]. |
| Flawless Forgery | 3UU | Sorcery | Casualty 3 (As you cast this spell, you may sacrifice a creature with power 3 or greater. When you do, copy this spell and you may choose a new target for the copy.) Exile target instant or sorcery card from an opponent's graveyard. Copy that card. You may cast the copy without paying its mana cost. |
| Dauntless Avenger | Creature — Human Soldier | Whenever Dauntless Avenger attacks, return target creature card with mana value 2 or less from your graveyard to the battlefield tapped and attacking. 3/2 |