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 |
|---|---|---|---|
| Freyalise Supplicant | 1G | Creature — Human Cleric | {T}, Sacrifice a red or white creature: Freyalise Supplicant deals damage to any target equal to half the sacrificed creature's power, rounded down. 1/1 |
| Karn, Silver Golem | 5 | Legendary Artifact Creature — Golem | Whenever Karn, Silver Golem blocks or becomes blocked, it gets -4/+4 until end of turn. {1}: Target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value until end of turn. 4/4 |
| City in a Bottle | 2 | Artifact | Whenever one or more other nontoken permanents with a name originally printed in the Arabian Nights expansion are on the battlefield, their controllers sacrifice them. Players can't cast spells or play lands with a name originally printed in the Arabian Nights expansion. |
| Apex Observatory | Artifact | Apex Observatory enters the battlefield tapped. As it enters, choose a card type shared among two exiled cards used to craft it. {T}: The next spell you cast this turn of the chosen type can be cast without paying its mana cost. | |
| Myr Reservoir | 3 | Artifact | {T}: Add {C}{C}. Spend this mana only to cast Myr spells or activate abilities of Myr. {3}, {T}: Return target Myr card from your graveyard to your hand. |
| Phyrexian Altar | 3 | Artifact | Sacrifice a creature: Add one mana of any color. |
| Jukai Naturalist | GW | Enchantment Creature — Human Monk | Lifelink Enchantment spells you cast cost {1} less to cast. 2/2 |
| Nantuko Elder | 2G | Creature — Insect Druid | {T}: Add {C}{G}. 1/2 |
| Futurist Spellthief | 2U | Creature — Moonfolk Wizard | Flash When Futurist Spellthief enters the battlefield, conjure a duplicate of target spell into your hand. That card perpetually gains "You may spend mana as though it were mana of any color to cast this spell." 3/2 |
| Return to Dust | 2WW | Instant | Exile target artifact or enchantment. If you cast this spell during your main phase, you may exile up to one other target artifact or enchantment. |