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 |
|---|---|---|---|
| Rashmi, Eternities Crafter | 2GU | Legendary Creature — Elf Druid | Whenever you cast your first spell each turn, reveal the top card of your library. You may cast it without paying its mana cost if it's a spell with lesser mana value. If you don't cast it, put it into your hand. 2/3 |
| Kellan, the Kid | GWU | Legendary Creature — Human Faerie Rogue | Flying, lifelink Whenever you cast a spell from anywhere other than your hand, you may cast a permanent spell with equal or lesser mana value from your hand without paying its mana cost. If you don't, you may put a land card from your hand onto the battlefield. 3/3 |
| Twinning Glass | 4 | Artifact | {1}, {T}: You may cast a spell from your hand without paying its mana cost if it has the same name as a spell that was cast this turn. |
| Rashmi and Ragavan | 1GUR | Legendary Creature — Elf Monkey | Whenever you cast your first spell during each of your turns, exile the top card of target opponent's library and create a Treasure token. Then you may cast the exiled card without paying its mana cost if it's a spell with mana value less than the number of artifacts you control. If you don't cast it this way, you may cast it this turn. 2/4 |
| Cosmium Catalyst | Artifact | {1}{R}, {T}: Choose an exiled card used to craft Cosmium Catalyst at random. You may cast that card without paying its mana cost. | |
| Deadly Rollick | 3B | Instant | If you control a commander, you may cast this spell without paying its mana cost. Exile target creature. |
| Fierce Guardianship | 2U | Instant | If you control a commander, you may cast this spell without paying its mana cost. Counter target noncreature spell. |
| Electrodominance | XRR | Instant | Electrodominance deals X damage to any target. You may cast a spell with mana value X or less from your hand without paying its mana cost. |
| Yahenni's Expertise | 2BB | Sorcery | All creatures get -3/-3 until end of turn. You may cast a spell with mana value 3 or less from your hand without paying its mana cost. |
| Saprazzan Legate | 3U | Creature — Merfolk Soldier | If an opponent controls a Mountain and you control an Island, you may cast this spell without paying its mana cost. Flying 1/3 |