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 |
|---|---|---|---|
| Sentinel Tower | 4 | Artifact | Whenever an instant or sorcery spell is cast during your turn, Sentinel Tower deals damage to any target equal to 1 plus the number of instant and sorcery spells cast before that spell this turn. |
| Spinning Darkness | 4BB | Instant | You may exile the top three black cards of your graveyard rather than pay this spell's mana cost. Spinning Darkness deals 3 damage to target nonblack creature. You gain 3 life. |
| Overblaze | 3R | Instant — Arcane | Each time target permanent would deal damage to a permanent or player this turn, it deals double that damage to that permanent or player instead. Splice onto Arcane {2}{R}{R} (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.) |
| Gratuitous Violence | 2RRR | Enchantment | If a creature you control would deal damage to a permanent or player, it deals double that damage to that permanent or player instead. |
| Harnessed Lightning | 1R | Instant | Choose target creature. You get {E}{E}{E} (three energy counters), then you may pay any amount of {E}. Harnessed Lightning deals that much damage to that creature. |
| Thunderblade Charge | 1RR | Sorcery | Thunderblade Charge deals 3 damage to any target. Whenever one or more creatures you control deal combat damage to a player, if Thunderblade Charge is in your graveyard, you may pay {2}{R}{R}{R}. If you do, you may cast it without paying its mana cost. |
| Rouse | 1B | Instant | If you control a Swamp, you may pay 2 life rather than pay this spell's mana cost. Target creature gets +2/+0 until end of turn. |
| Curse of Bloodletting | 3RR | Enchantment — Aura Curse | Enchant player If a source would deal damage to enchanted player, it deals double that damage to that player instead. |
| Justice | 2WW | Enchantment | At the beginning of your upkeep, sacrifice Justice unless you pay {W}{W}. Whenever a red creature or spell deals damage, Justice deals that much damage to that creature's or spell's controller. |
| Knowledge and Power | 4R | Enchantment | Whenever you scry, you may pay {2}. If you do, Knowledge and Power deals 2 damage to any target. |