M:tG card similarity search
2BB · Instant
This spell costs {X} less to cast, where X is your devotion to black. (Each {B} in the mana costs of permanents you control counts toward your devotion to black.) Destroy target creature.
| Name | Mana | Type | Text |
|---|---|---|---|
| Cryptic Serpent | 5UU | Creature — Serpent | This spell costs {1} less to cast for each instant and sorcery card in your graveyard. 6/5 |
| Tolarian Terror | 6U | Creature — Serpent | This spell costs {1} less to cast for each instant and sorcery card in your graveyard. Ward {2} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {2}.) 5/5 |
| Lookout's Dispersal | 2U | Instant | This spell costs {1} less to cast if you control a Pirate. Counter target spell unless its controller pays {4}. |
| Discover the Formula | 4UU | Instant | Seek three nonland cards, then nonland cards in your hand perpetually gain "This spell costs {1} less to cast." |
| Defiler of Flesh | 2BB | Creature — Phyrexian Horror | Menace As an additional cost to cast black permanent spells, you may pay 2 life. Those spells cost {B} less to cast if you paid life this way. This effect reduces only the amount of black mana you pay. Whenever you cast a black permanent spell, target creature you control gets +1/+1 and gains menace until end of turn. 4/4 |
| Catalyst Stone | 2 | Artifact | Flashback costs you pay cost up to {2} less. Flashback costs your opponents pay cost {2} more. |
| Pollywog Symbiote | 1U | Creature — Frog | Each creature spell you cast costs {1} less to cast if it has mutate. Whenever you cast a creature spell, if it has mutate, draw a card, then discard a card. 1/3 |
| Krallenhorde Howler | Creature — Werewolf | Creature spells you cast cost {1} less to cast. At the beginning of each upkeep, if a player cast two or more spells last turn, transform Krallenhorde Howler. 3/3 | |
| Sailors' Bane | 7UU | Creature — Dragon Turtle | This spell costs {1} less to cast for each card you own in exile and in your graveyard that's an instant card, a sorcery card, or a card that has an Adventure. Ward {4} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {4}.) 7/7 |
| A-Patrician Geist | 2U | Creature — Spirit Knight | Flying Other Spirits you control get +1/+1. Spells you cast from your graveyard cost {U} less to cast. (If it doesn't require {U}, it costs {1} less to cast.) 2/2 |