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 |
|---|---|---|---|
| Rivaz of the Claw | 1BR | Legendary Creature — Viashino Warlock | Menace {T}: Add two mana in any combination of colors. Spend this mana only to cast Dragon creature spells. Once during each of your turns, you may cast a Dragon creature spell from your graveyard. Whenever you cast a Dragon creature spell from your graveyard, it gains "When this creature dies, exile it." 3/3 |
| Reaper of Night | 5BB | Creature — Specter | Whenever Reaper of Night attacks, if defending player has two or fewer cards in hand, it gains flying until end of turn. 4/5 |
| Nether Void | 3B | World Enchantment | Whenever a player casts a spell, counter it unless that player pays {3}. |
| Cultivator Drone | 2U | Creature — Eldrazi Drone | Devoid (This card has no color.) {T}: Add {C}. Spend this mana only to cast a colorless spell, activate an ability of a colorless permanent, or pay a cost that contains {C}. ({C} represents colorless mana.) 2/3 |
| Herald of War | 3WW | Creature — Angel | Flying Whenever Herald of War attacks, put a +1/+1 counter on it. Angel spells and Human spells you cast cost {1} less to cast for each +1/+1 counter on Herald of War. 3/3 |
| Refraction Trap | 3W | Instant — Trap | If an opponent cast a red instant or sorcery spell this turn, you may pay {W} rather than pay this spell's mana cost. Prevent the next 3 damage that a source of your choice would deal to you and/or permanents you control this turn. If damage is prevented this way, Refraction Trap deals that much damage to any target. |
| Spellseeker | 2U | Creature — Human Wizard | When Spellseeker enters the battlefield, you may search your library for an instant or sorcery card with mana value 2 or less, reveal it, put it into your hand, then shuffle. 1/1 |
| Maulfist Doorbuster | 3R | Creature — Human Warrior | When Maulfist Doorbuster enters the battlefield, you get {E}{E} (two energy counters). Whenever Maulfist Doorbuster attacks, you may pay {E}. If you do, target creature can't block this turn. 4/2 |
| Portable Hole | W | Artifact | When Portable Hole enters the battlefield, exile target nonland permanent an opponent controls with mana value 2 or less until Portable Hole leaves the battlefield. |
| Artificer's Intuition | 1U | Enchantment | {U}, Discard an artifact card: Search your library for an artifact card with mana value 1 or less, reveal it, put it into your hand, then shuffle. |