M:tG card similarity search
B · Instant
As an additional cost to cast this spell, sacrifice a creature. Add an amount of {B} equal to the sacrificed creature's mana value.
| Name | Mana | Type | Text |
|---|---|---|---|
| Titans' Nest | 1BGU | Enchantment | At the beginning of your upkeep, surveil 1. (Look at the top card of your library. You may put that card into your graveyard.) Exile a card from your graveyard: Add {C}. Spend this mana only to cast a spell that's one or more colors without {X} in its mana cost. |
| Defiler of Instinct | 2RR | Creature — Phyrexian Kavu | First strike As an additional cost to cast red permanent spells, you may pay 2 life. Those spells cost {R} less to cast if you paid life this way. This effect reduces only the amount of red mana you pay. Whenever you cast a red permanent spell, Defiler of Instinct deals 1 damage to any target. 4/4 |
| Gauntlet of Might | 4 | Artifact | Red creatures get +1/+1. Whenever a Mountain is tapped for mana, its controller adds an additional {R}. |
| Tournament Grounds | Land | {T}: Add {C}. {T}: Add {R}, {W}, or {B}. Spend this mana only to cast a Knight or Equipment spell. | |
| Aluren | 2GG | Enchantment | Any player may cast creature spells with mana value 3 or less without paying their mana costs and as though they had flash. |
| Chandra's Embercat | 1R | Creature — Elemental Cat | {T}: Add {R}. Spend this mana only to cast an Elemental spell or a Chandra planeswalker spell. 2/2 |
| Sickening Shoal | XBB | Instant — Arcane | You may exile a black card with mana value X from your hand rather than pay this spell's mana cost. Target creature gets -X/-X until end of turn. |
| Prime Speaker Vannifar | 2GU | Legendary Creature — Elf Ooze Wizard | {T}, Sacrifice another creature: Search your library for a creature card with mana value equal to 1 plus the sacrificed creature's mana value, put that card onto the battlefield, then shuffle. Activate only as a sorcery. 2/4 |
| Epistolary Librarian | 2WU | Creature — Astartes Wizard | Veil of Time — Whenever Epistolary Librarian attacks, you may cast a spell with mana value X or less from your hand without paying its mana cost, where X is the number of attacking creatures. 3/4 |
| One with the Machine | 3U | Sorcery | Draw cards equal to the highest mana value among artifacts you control. |