M:tG card similarity search
1W/BW/B · Legendary Creature — Cat Nightmare
Companion — Each permanent card in your starting deck has mana value 2 or less. (If this card is your chosen companion, you may put it into your hand from outside the game for {3} as a sorcery.) Lifelink Once during each of your turns, you may cast a permanent spell with mana value 2 or less from your graveyard. 3/2
| Name | Mana | Type | Text |
|---|---|---|---|
| Repeal | XU | Instant | Return target nonland permanent with mana value X to its owner's hand. Draw a card. |
| A-Fires of Invention | 4R | Enchantment | You can cast spells only during your turn and you can cast no more than two spells each turn. You may cast spells with mana value less than or equal to the number of lands you control without paying their mana costs. |
| Fires of Invention | 3R | Enchantment | You can cast spells only during your turn and you can cast no more than two spells each turn. You may cast spells with mana value less than or equal to the number of lands you control without paying their mana costs. |
| Syndicate Infiltrator | 2UB | Creature — Vampire Wizard | Flying As long as there are five or more mana values among cards in your graveyard, Syndicate Infiltrator gets +2/+2. 3/3 |
| Chrome Host Seedshark | 2U | Creature — Phyrexian Shark | Flying Whenever you cast a noncreature spell, incubate X, where X is that spell's mana value. (Create an Incubator token with X +1/+1 counters on it and "{2}: Transform this artifact." It transforms into a 0/0 Phyrexian artifact creature.) 2/4 |
| Sanctum of Ugin | Land | {T}: Add {C}. Whenever you cast a colorless spell with mana value 7 or greater, you may sacrifice Sanctum of Ugin. If you do, search your library for a colorless creature card, reveal it, put it into your hand, then shuffle. | |
| Etherium Spinner | 2U | Artifact Creature — Human Wizard | Whenever you cast a spell with mana value 4 or greater, create a 1/1 colorless Thopter artifact creature token with flying. 2/1 |
| Kozilek's Return | 2R | Instant | Devoid (This card has no color.) Kozilek's Return deals 2 damage to each creature. Whenever you cast an Eldrazi creature spell with mana value 7 or greater, you may exile Kozilek's Return from your graveyard. If you do, Kozilek's Return deals 5 damage to each creature. |
| 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. |
| Livaan, Cultist of Tiamat | 2R | Legendary Creature — Dragon Shaman | Whenever you cast a noncreature spell, target creature gets +X/+0 until end of turn, where X is that spell's mana value. Choose a Background (You can have a Background as a second commander.) 1/3 |