M:tG card similarity search
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.
| Name | Mana | Type | Text |
|---|---|---|---|
| Thunderclap | 2R | Instant | You may sacrifice a Mountain rather than pay this spell's mana cost. Thunderclap deals 3 damage to target creature. |
| Illusionary Mask | 2 | Artifact | {X}: You may choose a creature card in your hand whose mana cost could be paid by some amount of, or all of, the mana you spent on {X}. If you do, you may cast that card face down as a 2/2 creature spell without paying its mana cost. If the creature that spell becomes as it resolves has not been turned face up and would assign or deal damage, be dealt damage, or become tapped, instead it's turned face up and assigns or deals damage, is dealt damage, or becomes tapped. Activate only as a sorcery. |
| Rem Karolus, Stalwart Slayer | 1RW | Legendary Creature — Human Knight | Flying, haste If a spell would deal damage to you or another permanent you control, prevent that damage. If a spell would deal damage to an opponent or a permanent an opponent controls, it deals that much damage plus 1 instead. 2/3 |
| Fireblast | 4RR | Instant | You may sacrifice two Mountains rather than pay this spell's mana cost. Fireblast deals 4 damage to any target. |
| Pay No Heed | W | Instant | Prevent all damage a source of your choice would deal this turn. |
| Sphere of Grace | 3W | Enchantment | If a black source would deal damage to you, prevent 2 of that damage. |
| Circle of Protection: Red | 1W | Enchantment | {1}: The next time a red source of your choice would deal damage to you this turn, prevent that damage. |
| Sphere of Duty | 3W | Enchantment | If a green source would deal damage to you, prevent 2 of that damage. |
| Rune of Protection: Red | 1W | Enchantment | {W}: The next time a red source of your choice would deal damage to you this turn, prevent that damage. Cycling {2} ({2}, Discard this card: Draw a card.) |
| Sphere of Truth | 3W | Enchantment | If a white source would deal damage to you, prevent 2 of that damage. |