M:tG card similarity search
3B · Instant
You may pay {1}{B} rather than pay this spell's mana cost. If the {1}{B} cost was paid, an opponent draws a card. Exile target creature or planeswalker.
| Name | Mana | Type | Text |
|---|---|---|---|
| Refraction Trap | 3W | Instant — Trap | If an opponent cast a red instant or sorcery spell this turn, you may pay {W} rather than pay this spell's mana cost. Prevent the next 3 damage that a source of your choice would deal to you and/or permanents you control this turn. If damage is prevented this way, Refraction Trap deals that much damage to any target. |
| Jarsyl, Dark Age Scion | 1RG | Legendary Creature — Human Wizard | Starting intensity 1 At the beginning of combat on your turn, you may cast a spell with mana value equal to Jarsyl, Dark Age Scion's intensity from your graveyard without paying its mana cost. If you do, Jarsyl intensifies by 1. 3/3 |
| Unifying Theory | 1U | Enchantment | Whenever a player casts a spell, that player may pay {2}. If the player does, they draw a card. |
| Omen Machine | 6 | Artifact | Players can't draw cards. At the beginning of each player's draw step, that player exiles the top card of their library. If it's a land card, the player puts it onto the battlefield. Otherwise, the player casts it without paying its mana cost if able. |
| Summoning Trap | 4GG | Instant — Trap | If a creature spell you cast this turn was countered by a spell or ability an opponent controlled, you may pay {0} rather than pay this spell's mana cost. Look at the top seven cards of your library. You may put a creature card from among them onto the battlefield. Put the rest on the bottom of your library in any order. |
| Halo Forager | 1UB | Creature — Faerie Rogue | Flying When Halo Forager enters the battlefield, you may pay {X}. When you do, you may cast target instant or sorcery card with mana value X from a graveyard without paying its mana cost. If that spell would be put into a graveyard, exile it instead. 3/1 |
| 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. |
| Force of Rage | 1RR | Instant | If it's not your turn, you may exile a red card from your hand rather than pay this spell's mana cost. Create two 3/1 red Elemental creature tokens with trample and haste. Sacrifice those tokens at the beginning of your next upkeep. |
| Etali, Primal Storm | 4RR | Legendary Creature — Elder Dinosaur | Whenever Etali, Primal Storm attacks, exile the top card of each player's library, then you may cast any number of spells from among those cards without paying their mana costs. 6/6 |
| Kheru Spellsnatcher | 3U | Creature — Naga Wizard | Morph {4}{U}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) When Kheru Spellsnatcher is turned face up, counter target spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard. You may cast that card without paying its mana cost for as long as it remains exiled. 3/3 |