M:tG card similarity search
| Name | Mana | Type | Text |
|---|---|---|---|
| As Foretold | 2U | Enchantment | At the beginning of your upkeep, put a time counter on As Foretold. Once each turn, you may pay {0} rather than pay the mana cost for a spell you cast with mana value X or less, where X is the number of time counters on As Foretold. |
| Repeal | XU | Instant | Return target nonland permanent with mana value X to its owner's hand. Draw a card. |
| Karn's Sylex | 3 | Legendary Artifact | Karn's Sylex enters the battlefield tapped. Players can't pay life to cast spells or to activate abilities that aren't mana abilities. {X}, {T}, Exile Karn's Sylex: Destroy each nonland permanent with mana value X or less. Activate only as a sorcery. |
| Void | 3BR | Sorcery | Choose a number. Destroy all artifacts and creatures with mana value equal to that number. Then target player reveals their hand and discards all nonland cards with mana value equal to the number. |
| Chthonian Nightmare | 1B | Enchantment | When Chthonian Nightmare enters the battlefield, you get {E}{E}{E} (three energy counters). Pay X {E}, Sacrifice a creature, Return Chthonian Nightmare to its owner's hand: Return target creature card with mana value X from your graveyard to the battlefield. Activate only as a sorcery. |
| Fiend Artisan | B/GB/G | Creature — Nightmare | Fiend Artisan gets +1/+1 for each creature card in your graveyard. {X}{B/G}, {T}, Sacrifice another creature: Search your library for a creature card with mana value X or less, put it onto the battlefield, then shuffle. Activate only as a sorcery. 1/1 |
| Megaflora Jungle | Plane — Gargantikar | Each creature with mana value 2 or less gets +2/+2. Whenever chaos ensues, create a 1/1 green Insect creature token with flying named Butterfly. | |
| Death's Oasis | WBG | Enchantment | Whenever a nontoken creature you control dies, mill two cards. Then return a creature card with lesser mana value than the creature that died from your graveyard to your hand. {1}, Sacrifice Death's Oasis: You gain life equal to the highest mana value among creatures you control. |
| Technomancer | 5BB | Artifact Creature — Necron Wizard | When Technomancer enters the battlefield, mill three cards, then return any number of artifact creature cards with total mana value 6 or less from your graveyard to the battlefield. 5/1 |
| Feeding Grounds | Plane — Muraganda | Red spells cost {1} less to cast. Green spells cost {1} less to cast. Whenever chaos ensues, put X +1/+1 counters on target creature, where X is that creature's mana value. |