M:tG card similarity search
| Name | Mana | Type | Text |
|---|---|---|---|
| Sleeping Potion | 1U | Enchantment — Aura | Enchant creature When Sleeping Potion enters the battlefield, tap enchanted creature. Enchanted creature doesn't untap during its controller's untap step. When enchanted creature becomes the target of a spell or ability, sacrifice Sleeping Potion. |
| Fireblast | 4RR | Instant | You may sacrifice two Mountains rather than pay this spell's mana cost. Fireblast deals 4 damage to any target. |
| Golden Urn | 1 | Artifact | At the beginning of your upkeep, you may put a charge counter on Golden Urn. {T}, Sacrifice Golden Urn: You gain life equal to the number of charge counters on Golden Urn. |
| Chthonian Nightmare | 1B | Enchantment | When Chthonian Nightmare enters the battlefield, you get {E}{E}{E} (three energy counters). Pay X {E}, Sacrifice a creature, Return Chthonian Nightmare to its owner's hand: Return target creature card with mana value X from your graveyard to the battlefield. Activate only as a sorcery. |
| Altar of the Goyf | 5 | Tribal Artifact — Lhurgoyf | Whenever a creature you control attacks alone, it gets +X/+X until end of turn, where X is the number of card types among cards in all graveyards. Lhurgoyf creatures you control have trample. |
| Tomb of Urami | Legendary Land | {T}: Add {B}. Tomb of Urami deals 1 damage to you if you don't control an Ogre. {2}{B}{B}, {T}, Sacrifice all lands you control: Create Urami, a legendary 5/5 black Demon Spirit creature token with flying. | |
| Augur of Autumn | 1GG | Creature — Human Druid | You may look at the top card of your library any time. You may play lands from the top of your library. Coven — As long as you control three or more creatures with different powers, you may cast creature spells from the top of your library. 2/3 |
| Circle of Despair | 1WB | Enchantment | {1}, Sacrifice a creature: The next time a source of your choice would deal damage to any target this turn, prevent that damage. |
| Martyr's Cause | 2W | Enchantment | Sacrifice a creature: The next time a source of your choice would deal damage to any target this turn, prevent that damage. |
| Search the City | 4U | Enchantment | When Search the City enters the battlefield, exile the top five cards of your library. Whenever you play a card with the same name as one of the exiled cards, you may put one of those cards with that name into its owner's hand. Then if there are no cards exiled with Search the City, sacrifice it. If you do, take an extra turn after this one. |