M:tG card similarity search
| Name | Mana | Type | Text |
|---|---|---|---|
| Mana Reflection | 4GG | Enchantment | If you tap a permanent for mana, it produces twice as much of that mana instead. |
| Doomskar | 3WW | Sorcery | Destroy all creatures. Foretell {1}{W}{W} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.) |
| The Restoration of Eiganjo | 2W | Enchantment — Saga | (As this Saga enters and after your draw step, add a lore counter.) I — Search your library for a basic Plains card, reveal it, put it into your hand, then shuffle. II — You may discard a card. When you do, return target permanent card with mana value 2 or less from your graveyard to the battlefield tapped. III — Exile this Saga, then return it to the battlefield transformed under your control. |
| Corrosion | 1BR | Enchantment | Cumulative upkeep {1} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) At the beginning of your upkeep, put a rust counter on each artifact target opponent controls. Then destroy each artifact with mana value less than or equal to the number of rust counters on it. Artifacts destroyed this way can't be regenerated. When Corrosion leaves the battlefield, remove all rust counters from all permanents. |
| Marshland Bloodcaster | 4B | Creature — Vampire Warlock | Flying {1}{B}, {T}: Rather than pay the mana cost of the next spell you cast this turn, you may pay life equal to that spell's mana value. 3/5 |
| Organic Extinction | 8WW | Sorcery | Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.) Destroy all nonartifact creatures. |
| March of the Machines | 3U | Enchantment | Each noncreature artifact is an artifact creature with power and toughness each equal to its mana value. (Equipment that's a creature can't equip a creature.) |
| Mass Calcify | 5WW | Sorcery | Destroy all nonwhite creatures. |
| Extinguish All Hope | 4BB | Sorcery | Destroy all nonenchantment creatures. |
| Induce Despair | 2B | Instant | As an additional cost to cast this spell, reveal a creature card from your hand. Target creature gets -X/-X until end of turn, where X is the revealed card's mana value. |