M:tG card similarity search
3B · Instant
If you control a Swamp, you may pay 4 life rather than pay this spell's mana cost. Destroy target nonblack creature. It can't be regenerated.
| Name | Mana | Type | Text |
|---|---|---|---|
| Rethink | 2U | Instant | Counter target spell unless its controller pays {X}, where X is its mana value. |
| Deepchannel Mentor | 5U | Creature — Merfolk Rogue | Blue creatures you control can't be blocked. 2/2 |
| Defenestrate | 2B | Instant | Destroy target creature without flying. |
| Phosphorescent Feast | 2GGG | Sorcery | Chroma — Reveal any number of cards in your hand. You gain 2 life for each green mana symbol in those cards' mana costs. |
| Benthic Infiltrator | 2U | Creature — Eldrazi Drone | Devoid (This card has no color.) Ingest (Whenever this creature deals combat damage to a player, that player exiles the top card of their library.) Benthic Infiltrator can't be blocked. 1/4 |
| Rhystic Syphon | 3BB | Sorcery | Unless target player pays {3}, that player loses 5 life and you gain 5 life. |
| Go-Shintai of Hidden Cruelty | 3B | Legendary Enchantment Creature — Shrine | Deathtouch At the beginning of your end step, you may pay {1}. When you do, destroy target creature with toughness X or less, where X is the number of Shrines you control. 2/2 |
| Banefire | XR | Sorcery | Banefire deals X damage to any target. If X is 5 or more, this spell can't be countered and the damage can't be prevented. |
| Counterflux | UUR | Instant | This spell can't be countered. Counter target spell you don't control. Overload {1}{U}{U}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.") |
| Knowledge Exploitation | 5UU | Tribal Sorcery — Rogue | Prowl {3}{U} (You may cast this for its prowl cost if you dealt combat damage to a player this turn with a Rogue.) Search target opponent's library for an instant or sorcery card. You may cast that card without paying its mana cost. Then that player shuffles. |