M:tG card similarity search
2BB · Sorcery
If an opponent controls a Plains and you control a Swamp, you may cast this spell without paying its mana cost. All creatures get -2/-2 until end of turn.
| Name | Mana | Type | Text |
|---|---|---|---|
| A-Fires of Invention | 4R | Enchantment | You can cast spells only during your turn and you can cast no more than two spells each turn. You may cast spells with mana value less than or equal to the number of lands you control without paying their mana costs. |
| Fires of Invention | 3R | Enchantment | You can cast spells only during your turn and you can cast no more than two spells each turn. You may cast spells with mana value less than or equal to the number of lands you control without paying their mana costs. |
| The Seventh Doctor | 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 |
| Rooftop Storm | 5U | Enchantment | You may pay {0} rather than pay the mana cost for Zombie creature spells you cast. |
| Mind's Dilation | 5UU | Enchantment | Whenever an opponent casts their first spell each turn, that player exiles the top card of their library. If it's a nonland card, you may cast it without paying its mana cost. |
| Stolen Goods | 3U | Sorcery | Target opponent exiles cards from the top of their library until they exile a nonland card. Until end of turn, you may cast that card without paying its mana cost. |
| Deflecting Swat | 2R | Instant | If you control a commander, you may cast this spell without paying its mana cost. You may choose new targets for target spell or ability. |
| Tlincalli Hunter | 5GG | Creature — Scorpion Scout | Trample Once each turn, you may pay {0} rather than pay the mana cost for a creature spell you cast from exile. 7/7 |
| Aluren | 2GG | Enchantment | Any player may cast creature spells with mana value 3 or less without paying their mana costs and as though they had flash. |
| Silent-Blade Oni | 3UUBB | Creature — Demon Ninja | Ninjutsu {4}{U}{B} ({4}{U}{B}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.) Whenever Silent-Blade Oni deals combat damage to a player, look at that player's hand. You may cast a spell from among those cards without paying its mana cost. 6/5 |