M:tG card similarity search
XRR · Instant — Arcane
You may exile a red card with mana value X from your hand rather than pay this spell's mana cost. Target creature gets +X/+0 until end of turn.
| Name | Mana | Type | Text |
|---|---|---|---|
| Ingenious Mastery | X2U | Sorcery | You may pay {2}{U} rather than pay this spell's mana cost. If the {2}{U} cost was paid, you draw three cards, then an opponent creates two Treasure tokens and they scry 2. If that cost wasn't paid, you draw X cards. |
| Singing Towers of Darillium | Plane — Darillium | Each nonland card in your hand without foretell has foretell. Its foretell cost is equal to its mana cost reduced by {2}. (During your turn, you may pay {2} and exile it from your hand face down. Cast it on a later turn for its foretell cost.) Whenever chaos ensues, you may cast a foretold card you own from exile without paying its mana cost this turn. | |
| 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 |
| Whiplash Trap | 3UU | Instant — Trap | If an opponent had two or more creatures enter the battlefield under their control this turn, you may pay {U} rather than pay this spell's mana cost. Return two target creatures to their owners' hands. |
| Forger's Foundry | 2U | Artifact | {T}: Add {U}. When you spend this mana to cast an instant or sorcery spell with mana value 3 or less, you may exile that spell instead of putting it into its owner's graveyard as it resolves. {3}{U}{U}, {T}: You may cast any number of spells from among cards exiled with Forger's Foundry without paying their mana costs. Activate only as a sorcery. |
| Thwart | 2UU | Instant | You may return three Islands you control to their owner's hand rather than pay this spell's mana cost. Counter target spell. |
| Rethink | 2U | Instant | Counter target spell unless its controller pays {X}, where X is its mana value. |
| Dominate | X1UU | Instant | Gain control of target creature with mana value X or less. |
| Deadly Rollick | 3B | Instant | If you control a commander, you may cast this spell without paying its mana cost. Exile target creature. |
| Bring to Light | 3GU | Sorcery | Converge — Search your library for a creature, instant, or sorcery card with mana value less than or equal to the number of colors of mana spent to cast this spell, exile that card, then shuffle. You may cast that card without paying its mana cost. |