M:tG card similarity search
3WU · Legendary Creature — Time Lord Doctor
Whenever The Seventh Doctor attacks, choose a card in your hand. Defending player guesses whether that card's mana value is greater than the number of artifacts you control. If they guessed wrong, you may cast it without paying its mana cost. If you don't cast a spell this way, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.") 3/6
| Name | Mana | Type | Text |
|---|---|---|---|
| Lurking Spinecrawler | 3B | Creature — Horror | When Lurking Spinecrawler enters the battlefield, you may choose a nonland card in your hand. If you do, that card perpetually incorporates {1}{B} and gains "When you cast this spell, each opponent sacrifices a creature. Each opponent who can't discards a card." Whenever you cast a multicolored spell, for each of that spell's colors, each opponent loses 1 life and you gain 1 life. 5/4 |
| Fanatical Offering | 1B | Instant | As an additional cost to cast this spell, sacrifice an artifact or creature. Draw two cards and create a Map token. (It's an artifact with "{1}, {T}, Sacrifice this artifact: Target creature you control explores. Activate only as a sorcery.") |
| Draconic Roar | 1R | Instant | As an additional cost to cast this spell, you may reveal a Dragon card from your hand. Draconic Roar deals 3 damage to target creature. If you revealed a Dragon card or controlled a Dragon as you cast this spell, Draconic Roar deals 3 damage to that creature's controller. |
| Szarekh, the Silent King | 1BBB | Legendary Artifact Creature — Necron | Flying My Will Be Done — Whenever Szarekh, the Silent King attacks, mill three cards. You may put an artifact creature card or Vehicle card from among the cards milled this way into your hand. 3/4 |
| Sliver Gravemother | WUBRG | Legendary Creature — Sliver | The "legend rule" doesn't apply to Slivers you control. Each Sliver creature card in your graveyard has encore {X}, where X is its mana value. Encore {5} ({5}, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.) 6/6 |
| Essence Leak | U | Enchantment — Aura | Enchant permanent As long as enchanted permanent is red or green, it has "At the beginning of your upkeep, sacrifice this permanent unless you pay its mana cost." |
| Temporal Extortion | BBBB | Sorcery | When you cast this spell, any player may pay half their life, rounded up. If a player does, counter Temporal Extortion. Take an extra turn after this one. |
| Digsite Engineer | 2W | Creature — Dwarf Artificer | Whenever you cast an artifact spell, you may pay {2}. If you do, create a 0/0 colorless Construct artifact creature token with "This creature gets +1/+1 for each artifact you control." 3/3 |
| Timely Hordemate | 3W | Creature — Human Warrior | Raid — When Timely Hordemate enters the battlefield, if you attacked this turn, return target creature card with mana value 2 or less from your graveyard to the battlefield. 3/2 |
| Whir of Invention | XUUU | Instant | Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.) Search your library for an artifact card with mana value X or less, put it onto the battlefield, then shuffle. |