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 |
|---|---|---|---|
| Archive Trap | 3UU | Instant — Trap | If an opponent searched their library this turn, you may pay {0} rather than pay this spell's mana cost. Target opponent mills thirteen cards. |
| Ricochet Trap | 3R | Instant — Trap | If an opponent cast a blue spell this turn, you may pay {R} rather than pay this spell's mana cost. Change the target of target spell with a single target. |
| Possibility Storm | 3RR | Enchantment | Whenever a player casts a spell from their hand, that player exiles it, then exiles cards from the top of their library until they exile a card that shares a card type with it. That player may cast that card without paying its mana cost. Then they put all cards exiled with Possibility Storm on the bottom of their library in a random order. |
| Thunderclap | 2R | Instant | You may sacrifice a Mountain rather than pay this spell's mana cost. Thunderclap deals 3 damage to target creature. |
| Metamorphosis | G | Sorcery | As an additional cost to cast this spell, sacrifice a creature. Add X mana of any one color, where X is 1 plus the sacrificed creature's mana value. Spend this mana only to cast creature spells. |
| Law-Rune Enforcer | W | Creature — Human Soldier | {1}, {T}: Tap target creature with mana value 2 or greater. 1/2 |
| Gix, Yawgmoth Praetor | 1BB | Legendary Creature — Phyrexian Praetor | Whenever a creature deals combat damage to one of your opponents, its controller may pay 1 life. If they do, they draw a card. {4}{B}{B}{B}, Discard X cards: Exile the top X cards of target opponent's library. You may play lands and cast spells from among cards exiled this way without paying their mana costs. 3/3 |
| Trinisphere | 3 | Artifact | As long as Trinisphere is untapped, each spell that would cost less than three mana to cast costs three mana to cast. (Additional mana in the cost may be paid with any color of mana or colorless mana. For example, a spell that would cost {1}{B} to cast costs {2}{B} to cast instead.) |
| Sacrifice | B | Instant | As an additional cost to cast this spell, sacrifice a creature. Add an amount of {B} equal to the sacrificed creature's mana value. |
| Brisela, Voice of Nightmares | Legendary Creature — Eldrazi Angel | Flying, first strike, vigilance, lifelink Your opponents can't cast spells with mana value 3 or less. 9/10 |