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 |
|---|---|---|---|
| Rocco, Cabaretti Caterer | XRGW | Legendary Creature — Elf Druid | When Rocco, Cabaretti Caterer enters the battlefield, if you cast it, you may search your library for a creature card with mana value X or less, put it onto the battlefield, then shuffle. 3/1 |
| Flameblast Dragon | 4RR | Creature — Dragon | Flying Whenever Flameblast Dragon attacks, you may pay {X}{R}. If you do, Flameblast Dragon deals X damage to any target. 5/5 |
| Sewer Crocodile | 5U | Creature — Crocodile | {3}{U}: Sewer Crocodile can't be blocked this turn. This ability costs {3} less to activate if there are five or more mana values among cards in your graveyard. 4/6 |
| Swamp Mosquito | 1B | Creature — Insect | Flying Whenever Swamp Mosquito attacks and isn't blocked, defending player gets a poison counter. (A player with ten or more poison counters loses the game.) 0/1 |
| Nassari, Dean of Expression | 3RR | Legendary Creature — Efreet Shaman | At the beginning of your upkeep, exile the top card of each opponent's library. Until end of turn, you may cast spells from among those exiled cards, and you may spend mana as though it were mana of any color to cast those spells. Whenever you cast a spell from exile, put a +1/+1 counter on Nassari, Dean of Expression. 4/4 |
| Forge Armor | 4R | Instant | As an additional cost to cast this spell, sacrifice an artifact. Put X +1/+1 counters on target creature, where X is the sacrificed artifact's mana value. |
| Nahiri's Sacrifice | 1R | Sorcery | As an additional cost to cast this spell, sacrifice an artifact or creature with mana value X. Nahiri's Sacrifice deals X damage divided as you choose among any number of target creatures. |
| Aerial Extortionist | 3WW | Creature — Bird Soldier | Flying Whenever Aerial Extortionist enters the battlefield or deals combat damage to a player, exile up to one target nonland permanent. For as long as that card remains exiled, its owner may cast it. Whenever another player casts a spell from anywhere other than their hand, draw a card. 4/3 |
| Virtue of Strength | 5GG | Enchantment | If you tap a basic land for mana, it produces three times as much of that mana instead. |
| Defiler of Instinct | 2RR | Creature — Phyrexian Kavu | First strike As an additional cost to cast red permanent spells, you may pay 2 life. Those spells cost {R} less to cast if you paid life this way. This effect reduces only the amount of red mana you pay. Whenever you cast a red permanent spell, Defiler of Instinct deals 1 damage to any target. 4/4 |