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 |
|---|---|---|---|
| Living Lore | 3U | Creature — Avatar | As Living Lore enters the battlefield, exile an instant or sorcery card from your graveyard. Living Lore's power and toughness are each equal to the exiled card's mana value. Whenever Living Lore deals combat damage, you may sacrifice it. If you do, you may cast the exiled card without paying its mana cost. */* |
| Knowledge Exploitation | 5UU | Tribal Sorcery — Rogue | Prowl {3}{U} (You may cast this for its prowl cost if you dealt combat damage to a player this turn with a Rogue.) Search target opponent's library for an instant or sorcery card. You may cast that card without paying its mana cost. Then that player shuffles. |
| Invoke Calamity | 1RRRR | Instant | You may cast up to two instant and/or sorcery spells with total mana value 6 or less from your graveyard and/or hand without paying their mana costs. If those spells would be put into your graveyard, exile them instead. Exile Invoke Calamity. |
| Reversal of Fortune | 4RR | Sorcery | Target opponent reveals their hand. You may copy an instant or sorcery card in it. If you do, you may cast the copy without paying its mana cost. |
| Goblin Dark-Dwellers | 3RR | Creature — Goblin | Menace When Goblin Dark-Dwellers enters the battlefield, you may cast target instant or sorcery card with mana value 3 or less from your graveyard without paying its mana cost. If that spell would be put into your graveyard, exile it instead. 4/4 |
| Knowledge Pool | 6 | Artifact | Imprint — When Knowledge Pool enters the battlefield, each player exiles the top three cards of their library. Whenever a player casts a spell from their hand, that player exiles it. If the player does, they may cast a spell from among other cards exiled with Knowledge Pool without paying its mana cost. |
| Omnispell Adept | 4U | Creature — Human Wizard | {2}{U}, {T}: You may cast an instant or sorcery spell from your hand without paying its mana cost. 3/4 |
| Hellcarver Demon | 3BBB | Creature — Demon | Flying Whenever Hellcarver Demon deals combat damage to a player, sacrifice all other permanents you control and discard your hand. Exile the top six cards of your library. You may cast any number of spells from among cards exiled this way without paying their mana costs. 6/6 |
| Jeleva, Nephalia's Scourge | 1UBR | Legendary Creature — Vampire Wizard | Flying When Jeleva, Nephalia's Scourge enters the battlefield, each player exiles the top X cards of their library, where X is the amount of mana spent to cast Jeleva. Whenever Jeleva attacks, you may cast an instant or sorcery spell from among cards exiled with Jeleva without paying its mana cost. 1/3 |
| Oracle of Bones | 2RR | Creature — Minotaur Shaman | Haste Tribute 2 (As this creature enters the battlefield, an opponent of your choice may put two +1/+1 counters on it.) When Oracle of Bones enters the battlefield, if tribute wasn't paid, you may cast an instant or sorcery spell from your hand without paying its mana cost. 3/1 |