M:tG card similarity search
4 · Artifact
{2}, {T}: Exile the top card of your library. Until end of turn, you may play that card. Put a brick counter on Oracle's Vault. {T}: Exile the top card of your library. Until end of turn, you may play that card without paying its mana cost. Activate only if there are three or more brick counters on Oracle's Vault.
| Name | Mana | Type | Text |
|---|---|---|---|
| Demon of Death's Gate | 6BBB | Creature — Demon | You may pay 6 life and sacrifice three black creatures rather than pay this spell's mana cost. Flying, trample 9/9 |
| River Song's Diary | 3 | Artifact | Imprint — Whenever a player casts an instant or sorcery spell from their hand, exile it instead of putting it into a graveyard as it resolves. At the beginning of your upkeep, if there are four or more cards exiled with River Song's Diary, choose one of them at random. You may cast it without paying its mana cost. |
| Purgatory | 2WB | Enchantment | Whenever a nontoken creature is put into your graveyard from the battlefield, exile that card. At the beginning of your upkeep, you may pay {4} and 2 life. If you do, return a card exiled with Purgatory to the battlefield. |
| Flamekin Harbinger | R | Creature — Elemental Shaman | When Flamekin Harbinger enters the battlefield, you may search your library for an Elemental card, reveal it, then shuffle and put that card on top. 1/1 |
| Scavenging Ghoul | 3B | Creature — Zombie | At the beginning of each end step, put a corpse counter on Scavenging Ghoul for each creature that died this turn. Remove a corpse counter from Scavenging Ghoul: Regenerate Scavenging Ghoul. 2/2 |
| Black Mana Battery | 4 | Artifact | {2}, {T}: Put a charge counter on Black Mana Battery. {T}, Remove any number of charge counters from Black Mana Battery: Add {B}, then add an additional {B} for each charge counter removed this way. |
| Blue Mana Battery | 4 | Artifact | {2}, {T}: Put a charge counter on Blue Mana Battery. {T}, Remove any number of charge counters from Blue Mana Battery: Add {U}, then add an additional {U} for each charge counter removed this way. |
| Green Mana Battery | 4 | Artifact | {2}, {T}: Put a charge counter on Green Mana Battery. {T}, Remove any number of charge counters from Green Mana Battery: Add {G}, then add an additional {G} for each charge counter removed this way. |
| Red Mana Battery | 4 | Artifact | {2}, {T}: Put a charge counter on Red Mana Battery. {T}, Remove any number of charge counters from Red Mana Battery: Add {R}, then add an additional {R} for each charge counter removed this way. |
| White Mana Battery | 4 | Artifact | {2}, {T}: Put a charge counter on White Mana Battery. {T}, Remove any number of charge counters from White Mana Battery: Add {W}, then add an additional {W} for each charge counter removed this way. |