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 |
|---|---|---|---|
| Dovescape | 3W/UW/UW/U | Enchantment | ({W/U} can be paid with either {W} or {U}.) Whenever a player casts a noncreature spell, counter that spell. That player creates X 1/1 white and blue Bird creature tokens with flying, where X is the spell's mana value. |
| Vengeful Rebirth | 4RG | Sorcery | Return target card from your graveyard to your hand. If you return a nonland card to your hand this way, Vengeful Rebirth deals damage equal to that card's mana value to any target. Exile Vengeful Rebirth. |
| Runecarved Obelisk | 4 | Artifact | {T}: Add {C}{C}. Put two charge counters on Runecarved Obelisk. {T}, Sacrifice Runecarved Obelisk: Seek a card with the highest mana value among cards in your library with mana value X or less, where X is the number of charge counters on Runecarved Obelisk. |
| Azorius Aethermage | 1WU | Creature — Human Wizard | Whenever a permanent is returned to your hand, you may pay {1}. If you do, draw a card. 1/1 |
| Daring Buccaneer | R | Creature — Human Pirate | As an additional cost to cast this spell, reveal a Pirate card from your hand or pay {2}. 2/2 |
| Endrek Sahr, Master Breeder | 4B | Legendary Creature — Human Wizard | Whenever you cast a creature spell, create X 1/1 black Thrull creature tokens, where X is that spell's mana value. When you control seven or more Thrulls, sacrifice Endrek Sahr, Master Breeder. 2/2 |
| Warzone Duplicator | 6 | Artifact Creature — Construct | Prototype {3}{U} — 3/3 When Warzone Duplicator enters the battlefield, return target creature an opponent controls with power less than Warzone Duplicator's power to its owner's hand. If that creature wasn't a token, conjure a duplicate of it into your hand. It perpetually gains "You may spend mana as though it were mana of any color to cast this spell." 6/6 |
| Grenzo, Havoc Raiser | RR | Legendary Creature — Goblin Rogue | Whenever a creature you control deals combat damage to a player, choose one — • Goad target creature that player controls. • Exile the top card of that player's library. Until end of turn, you may cast that card and you may spend mana as though it were mana of any color to cast that spell. 2/2 |
| Ghitu Fire | XR | Sorcery | You may cast Ghitu Fire as though it had flash if you pay {2} more to cast it. (You may cast it any time you could cast an instant.) Ghitu Fire deals X damage to any target. |
| Tolarian Kraken | 4UU | Creature — Kraken | Whenever you draw a card, you may pay {1}. When you do, you may tap or untap target creature. 4/6 |