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 |
|---|---|---|---|
| Dragon-Kami's Egg | Enchantment Creature — Egg | Whenever Dragon-Kami's Egg or a Dragon you control dies, you may cast a creature spell from among cards you own in exile with hatching counters on them without paying its mana cost. 0/1 | |
| Idol of Endurance | 2W | Artifact | When Idol of Endurance enters the battlefield, exile all creature cards with mana value 3 or less from your graveyard until Idol of Endurance leaves the battlefield. {1}{W}, {T}: Until end of turn, you may cast a creature spell from among cards exiled with Idol of Endurance without paying its mana cost. |
| Singing Towers of Darillium | Plane — Darillium | Each nonland card in your hand without foretell has foretell. Its foretell cost is equal to its mana cost reduced by {2}. (During your turn, you may pay {2} and exile it from your hand face down. Cast it on a later turn for its foretell cost.) Whenever chaos ensues, you may cast a foretold card you own from exile without paying its mana cost this turn. | |
| Deadly Rollick | 3B | Instant | If you control a commander, you may cast this spell without paying its mana cost. Exile target creature. |
| Fierce Guardianship | 2U | Instant | If you control a commander, you may cast this spell without paying its mana cost. Counter target noncreature spell. |
| Saprazzan Legate | 3U | Creature — Merfolk Soldier | If an opponent controls a Mountain and you control an Island, you may cast this spell without paying its mana cost. Flying 1/3 |
| Command the Chaff | 4UU | Instant | Look at target opponent's sideboard. You may cast a card from that sideboard without paying its mana cost. Exile Command the Chaff. |
| Spell Queller | 1WU | Creature — Spirit | Flash Flying When Spell Queller enters the battlefield, exile target spell with mana value 4 or less. When Spell Queller leaves the battlefield, the exiled card's owner may cast that card without paying its mana cost. 2/3 |
| Primeval Spawn | 5WUBRG | Creature — Avatar | If Primeval Spawn would enter the battlefield and it wasn't cast or no mana was spent to cast it, exile it instead. Vigilance, trample, lifelink When Primeval Spawn leaves the battlefield, exile the top ten cards of your library. You may cast any number of spells with total mana value 10 or less from among them without paying their mana costs. 10/10 |
| Twinning Glass | 4 | Artifact | {1}, {T}: You may cast a spell from your hand without paying its mana cost if it has the same name as a spell that was cast this turn. |